18537420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28087}}^1$

素因数の和:28110

約数の個数: 48

約数和(自身を含む): 56625408

約数和(自身を除く): 38087988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28087, 56174, 84261, 112348, 140435, 168522, 280870, 308957, 337044, 421305, 561740, 617914, 842610, 926871, 1235828, 1544785, 1685220, 1853742, 3089570, 3707484, 4634355, 6179140, 9268710, 18537420]

約数ペア:

[(1, 18537420), (2, 9268710), (3, 6179140), (4, 4634355), (5, 3707484), (6, 3089570), (10, 1853742), (11, 1685220), (12, 1544785), (15, 1235828), (20, 926871), (22, 842610), (30, 617914), (33, 561740), (44, 421305), (55, 337044), (60, 308957), (66, 280870), (110, 168522), (132, 140435), (165, 112348), (220, 84261), (330, 56174), (660, 28087)]