19378440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5981}}^1$

素因数の和:6004

約数の個数: 80

約数和(自身を含む): 65143980

約数和(自身を除く): 45765540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 5981, 11962, 17943, 23924, 29905, 35886, 47848, 53829, 59810, 71772, 89715, 107658, 119620, 143544, 161487, 179430, 215316, 239240, 269145, 322974, 358860, 430632, 484461, 538290, 645948, 717720, 807435, 968922, 1076580, 1291896, 1614870, 1937844, 2153160, 2422305, 3229740, 3875688, 4844610, 6459480, 9689220, 19378440]

約数ペア:

[(1, 19378440), (2, 9689220), (3, 6459480), (4, 4844610), (5, 3875688), (6, 3229740), (8, 2422305), (9, 2153160), (10, 1937844), (12, 1614870), (15, 1291896), (18, 1076580), (20, 968922), (24, 807435), (27, 717720), (30, 645948), (36, 538290), (40, 484461), (45, 430632), (54, 358860), (60, 322974), (72, 269145), (81, 239240), (90, 215316), (108, 179430), (120, 161487), (135, 143544), (162, 119620), (180, 107658), (216, 89715), (270, 71772), (324, 59810), (360, 53829), (405, 47848), (540, 35886), (648, 29905), (810, 23924), (1080, 17943), (1620, 11962), (3240, 5981)]