18381956580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7855537}}^1$

素因数の和:7855565

約数の個数: 72

約数和(自身を含む): 60047732472

約数和(自身を除く): 41665775892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7855537, 15711074, 23566611, 31422148, 39277685, 47133222, 70699833, 78555370, 94266444, 102121981, 117833055, 141399666, 157110740, 204243962, 235666110, 282799332, 306365943, 353499165, 408487924, 471332220, 510609905, 612731886, 706998330, 919097829, 1021219810, 1225463772, 1413996660, 1531829715, 1838195658, 2042439620, 3063659430, 3676391316, 4595489145, 6127318860, 9190978290, 18381956580]

約数ペア:

[(1, 18381956580), (2, 9190978290), (3, 6127318860), (4, 4595489145), (5, 3676391316), (6, 3063659430), (9, 2042439620), (10, 1838195658), (12, 1531829715), (13, 1413996660), (15, 1225463772), (18, 1021219810), (20, 919097829), (26, 706998330), (30, 612731886), (36, 510609905), (39, 471332220), (45, 408487924), (52, 353499165), (60, 306365943), (65, 282799332), (78, 235666110), (90, 204243962), (117, 157110740), (130, 141399666), (156, 117833055), (180, 102121981), (195, 94266444), (234, 78555370), (260, 70699833), (390, 47133222), (468, 39277685), (585, 31422148), (780, 23566611), (1170, 15711074), (2340, 7855537)]