19412640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 288

約数和(自身を含む): 76776336

約数和(自身を除く): 57363696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 61, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 122, 130, 136, 144, 153, 156, 160, 170, 180, 183, 195, 204, 208, 221, 234, 240, 244, 255, 260, 272, 288, 305, 306, 312, 340, 360, 366, 390, 408, 416, 442, 468, 480, 488, 510, 520, 544, 549, 585, 610, 612, 624, 663, 680, 720, 732, 765, 780, 793, 816, 884, 915, 936, 976, 1020, 1037, 1040, 1098, 1105, 1170, 1220, 1224, 1248, 1326, 1360, 1440, 1464, 1530, 1560, 1586, 1632, 1768, 1830, 1872, 1952, 1989, 2040, 2074, 2080, 2196, 2210, 2340, 2379, 2440, 2448, 2652, 2720, 2745, 2928, 3060, 3111, 3120, 3172, 3315, 3536, 3660, 3744, 3965, 3978, 4080, 4148, 4392, 4420, 4680, 4758, 4880, 4896, 5185, 5304, 5490, 5856, 6120, 6222, 6240, 6344, 6630, 7072, 7137, 7320, 7930, 7956, 8160, 8296, 8784, 8840, 9333, 9360, 9516, 9760, 9945, 10370, 10608, 10980, 11895, 12240, 12444, 12688, 13260, 13481, 14274, 14640, 15555, 15860, 15912, 16592, 17568, 17680, 18666, 18720, 19032, 19890, 20740, 21216, 21960, 23790, 24480, 24888, 25376, 26520, 26962, 28548, 29280, 31110, 31720, 31824, 33184, 35360, 35685, 37332, 38064, 39780, 40443, 41480, 43920, 46665, 47580, 49776, 53040, 53924, 57096, 62220, 63440, 63648, 67405, 71370, 74664, 76128, 79560, 80886, 82960, 87840, 93330, 95160, 99552, 106080, 107848, 114192, 121329, 124440, 126880, 134810, 142740, 149328, 159120, 161772, 165920, 186660, 190320, 202215, 215696, 228384, 242658, 248880, 269620, 285480, 298656, 318240, 323544, 373320, 380640, 404430, 431392, 485316, 497760, 539240, 570960, 606645, 647088, 746640, 808860, 970632, 1078480, 1141920, 1213290, 1294176, 1493280, 1617720, 1941264, 2156960, 2426580, 3235440, 3882528, 4853160, 6470880, 9706320, 19412640]

約数ペア:

[(1, 19412640), (2, 9706320), (3, 6470880), (4, 4853160), (5, 3882528), (6, 3235440), (8, 2426580), (9, 2156960), (10, 1941264), (12, 1617720), (13, 1493280), (15, 1294176), (16, 1213290), (17, 1141920), (18, 1078480), (20, 970632), (24, 808860), (26, 746640), (30, 647088), (32, 606645), (34, 570960), (36, 539240), (39, 497760), (40, 485316), (45, 431392), (48, 404430), (51, 380640), (52, 373320), (60, 323544), (61, 318240), (65, 298656), (68, 285480), (72, 269620), (78, 248880), (80, 242658), (85, 228384), (90, 215696), (96, 202215), (102, 190320), (104, 186660), (117, 165920), (120, 161772), (122, 159120), (130, 149328), (136, 142740), (144, 134810), (153, 126880), (156, 124440), (160, 121329), (170, 114192), (180, 107848), (183, 106080), (195, 99552), (204, 95160), (208, 93330), (221, 87840), (234, 82960), (240, 80886), (244, 79560), (255, 76128), (260, 74664), (272, 71370), (288, 67405), (305, 63648), (306, 63440), (312, 62220), (340, 57096), (360, 53924), (366, 53040), (390, 49776), (408, 47580), (416, 46665), (442, 43920), (468, 41480), (480, 40443), (488, 39780), (510, 38064), (520, 37332), (544, 35685), (549, 35360), (585, 33184), (610, 31824), (612, 31720), (624, 31110), (663, 29280), (680, 28548), (720, 26962), (732, 26520), (765, 25376), (780, 24888), (793, 24480), (816, 23790), (884, 21960), (915, 21216), (936, 20740), (976, 19890), (1020, 19032), (1037, 18720), (1040, 18666), (1098, 17680), (1105, 17568), (1170, 16592), (1220, 15912), (1224, 15860), (1248, 15555), (1326, 14640), (1360, 14274), (1440, 13481), (1464, 13260), (1530, 12688), (1560, 12444), (1586, 12240), (1632, 11895), (1768, 10980), (1830, 10608), (1872, 10370), (1952, 9945), (1989, 9760), (2040, 9516), (2074, 9360), (2080, 9333), (2196, 8840), (2210, 8784), (2340, 8296), (2379, 8160), (2440, 7956), (2448, 7930), (2652, 7320), (2720, 7137), (2745, 7072), (2928, 6630), (3060, 6344), (3111, 6240), (3120, 6222), (3172, 6120), (3315, 5856), (3536, 5490), (3660, 5304), (3744, 5185), (3965, 4896), (3978, 4880), (4080, 4758), (4148, 4680), (4392, 4420)]