19498320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 73120320

約数和(自身を除く): 53622000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 59, 60, 68, 72, 80, 81, 85, 90, 102, 108, 118, 120, 135, 136, 144, 153, 162, 170, 177, 180, 204, 216, 236, 240, 243, 255, 270, 272, 295, 306, 324, 340, 354, 360, 405, 408, 432, 459, 472, 486, 510, 531, 540, 590, 612, 648, 680, 708, 720, 765, 810, 816, 885, 918, 944, 972, 1003, 1020, 1062, 1080, 1180, 1215, 1224, 1296, 1360, 1377, 1416, 1530, 1593, 1620, 1770, 1836, 1944, 2006, 2040, 2124, 2160, 2295, 2360, 2430, 2448, 2655, 2754, 2832, 3009, 3060, 3186, 3240, 3540, 3672, 3888, 4012, 4080, 4131, 4248, 4590, 4720, 4779, 4860, 5015, 5310, 5508, 6018, 6120, 6372, 6480, 6885, 7080, 7344, 7965, 8024, 8262, 8496, 9027, 9180, 9558, 9720, 10030, 10620, 11016, 12036, 12240, 12744, 13770, 14160, 14337, 15045, 15930, 16048, 16524, 18054, 18360, 19116, 19440, 20060, 20655, 21240, 22032, 23895, 24072, 25488, 27081, 27540, 28674, 30090, 31860, 33048, 36108, 36720, 38232, 40120, 41310, 42480, 45135, 47790, 48144, 54162, 55080, 57348, 60180, 63720, 66096, 71685, 72216, 76464, 80240, 81243, 82620, 90270, 95580, 108324, 110160, 114696, 120360, 127440, 135405, 143370, 144432, 162486, 165240, 180540, 191160, 216648, 229392, 240720, 243729, 270810, 286740, 324972, 330480, 361080, 382320, 406215, 433296, 487458, 541620, 573480, 649944, 722160, 812430, 974916, 1083240, 1146960, 1218645, 1299888, 1624860, 1949832, 2166480, 2437290, 3249720, 3899664, 4874580, 6499440, 9749160, 19498320]

約数ペア:

[(1, 19498320), (2, 9749160), (3, 6499440), (4, 4874580), (5, 3899664), (6, 3249720), (8, 2437290), (9, 2166480), (10, 1949832), (12, 1624860), (15, 1299888), (16, 1218645), (17, 1146960), (18, 1083240), (20, 974916), (24, 812430), (27, 722160), (30, 649944), (34, 573480), (36, 541620), (40, 487458), (45, 433296), (48, 406215), (51, 382320), (54, 361080), (59, 330480), (60, 324972), (68, 286740), (72, 270810), (80, 243729), (81, 240720), (85, 229392), (90, 216648), (102, 191160), (108, 180540), (118, 165240), (120, 162486), (135, 144432), (136, 143370), (144, 135405), (153, 127440), (162, 120360), (170, 114696), (177, 110160), (180, 108324), (204, 95580), (216, 90270), (236, 82620), (240, 81243), (243, 80240), (255, 76464), (270, 72216), (272, 71685), (295, 66096), (306, 63720), (324, 60180), (340, 57348), (354, 55080), (360, 54162), (405, 48144), (408, 47790), (432, 45135), (459, 42480), (472, 41310), (486, 40120), (510, 38232), (531, 36720), (540, 36108), (590, 33048), (612, 31860), (648, 30090), (680, 28674), (708, 27540), (720, 27081), (765, 25488), (810, 24072), (816, 23895), (885, 22032), (918, 21240), (944, 20655), (972, 20060), (1003, 19440), (1020, 19116), (1062, 18360), (1080, 18054), (1180, 16524), (1215, 16048), (1224, 15930), (1296, 15045), (1360, 14337), (1377, 14160), (1416, 13770), (1530, 12744), (1593, 12240), (1620, 12036), (1770, 11016), (1836, 10620), (1944, 10030), (2006, 9720), (2040, 9558), (2124, 9180), (2160, 9027), (2295, 8496), (2360, 8262), (2430, 8024), (2448, 7965), (2655, 7344), (2754, 7080), (2832, 6885), (3009, 6480), (3060, 6372), (3186, 6120), (3240, 6018), (3540, 5508), (3672, 5310), (3888, 5015), (4012, 4860), (4080, 4779), (4131, 4720), (4248, 4590)]