19473840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 72772128

約数和(自身を除く): 53298288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 43, 45, 48, 51, 60, 68, 72, 74, 80, 85, 86, 90, 102, 111, 120, 129, 136, 144, 148, 153, 170, 172, 180, 185, 204, 215, 222, 240, 255, 258, 272, 296, 306, 333, 340, 344, 360, 370, 387, 408, 430, 444, 510, 516, 555, 592, 612, 629, 645, 666, 680, 688, 720, 731, 740, 765, 774, 816, 860, 888, 1020, 1032, 1110, 1224, 1258, 1290, 1332, 1360, 1462, 1480, 1530, 1548, 1591, 1665, 1720, 1776, 1887, 1935, 2040, 2064, 2193, 2220, 2448, 2516, 2580, 2664, 2924, 2960, 3060, 3096, 3145, 3182, 3330, 3440, 3655, 3774, 3870, 4080, 4386, 4440, 4773, 5032, 5160, 5328, 5661, 5848, 6120, 6192, 6290, 6364, 6579, 6660, 7310, 7548, 7740, 7955, 8772, 8880, 9435, 9546, 10064, 10320, 10965, 11322, 11696, 12240, 12580, 12728, 13158, 13320, 14319, 14620, 15096, 15480, 15910, 17544, 18870, 19092, 21930, 22644, 23865, 25160, 25456, 26316, 26640, 27047, 28305, 28638, 29240, 30192, 30960, 31820, 32895, 35088, 37740, 38184, 43860, 45288, 47730, 50320, 52632, 54094, 56610, 57276, 58480, 63640, 65790, 71595, 75480, 76368, 81141, 87720, 90576, 95460, 105264, 108188, 113220, 114552, 127280, 131580, 135235, 143190, 150960, 162282, 175440, 190920, 216376, 226440, 229104, 243423, 263160, 270470, 286380, 324564, 381840, 405705, 432752, 452880, 486846, 526320, 540940, 572760, 649128, 811410, 973692, 1081880, 1145520, 1217115, 1298256, 1622820, 1947384, 2163760, 2434230, 3245640, 3894768, 4868460, 6491280, 9736920, 19473840]

約数ペア:

[(1, 19473840), (2, 9736920), (3, 6491280), (4, 4868460), (5, 3894768), (6, 3245640), (8, 2434230), (9, 2163760), (10, 1947384), (12, 1622820), (15, 1298256), (16, 1217115), (17, 1145520), (18, 1081880), (20, 973692), (24, 811410), (30, 649128), (34, 572760), (36, 540940), (37, 526320), (40, 486846), (43, 452880), (45, 432752), (48, 405705), (51, 381840), (60, 324564), (68, 286380), (72, 270470), (74, 263160), (80, 243423), (85, 229104), (86, 226440), (90, 216376), (102, 190920), (111, 175440), (120, 162282), (129, 150960), (136, 143190), (144, 135235), (148, 131580), (153, 127280), (170, 114552), (172, 113220), (180, 108188), (185, 105264), (204, 95460), (215, 90576), (222, 87720), (240, 81141), (255, 76368), (258, 75480), (272, 71595), (296, 65790), (306, 63640), (333, 58480), (340, 57276), (344, 56610), (360, 54094), (370, 52632), (387, 50320), (408, 47730), (430, 45288), (444, 43860), (510, 38184), (516, 37740), (555, 35088), (592, 32895), (612, 31820), (629, 30960), (645, 30192), (666, 29240), (680, 28638), (688, 28305), (720, 27047), (731, 26640), (740, 26316), (765, 25456), (774, 25160), (816, 23865), (860, 22644), (888, 21930), (1020, 19092), (1032, 18870), (1110, 17544), (1224, 15910), (1258, 15480), (1290, 15096), (1332, 14620), (1360, 14319), (1462, 13320), (1480, 13158), (1530, 12728), (1548, 12580), (1591, 12240), (1665, 11696), (1720, 11322), (1776, 10965), (1887, 10320), (1935, 10064), (2040, 9546), (2064, 9435), (2193, 8880), (2220, 8772), (2448, 7955), (2516, 7740), (2580, 7548), (2664, 7310), (2924, 6660), (2960, 6579), (3060, 6364), (3096, 6290), (3145, 6192), (3182, 6120), (3330, 5848), (3440, 5661), (3655, 5328), (3774, 5160), (3870, 5032), (4080, 4773), (4386, 4440)]