18658160

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^2\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 44786568

約数和(自身を除く): 26128408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 67, 80, 118, 134, 236, 268, 295, 335, 472, 536, 590, 670, 944, 1072, 1180, 1340, 2360, 2680, 3481, 3953, 4720, 5360, 6962, 7906, 13924, 15812, 17405, 19765, 27848, 31624, 34810, 39530, 55696, 63248, 69620, 79060, 139240, 158120, 233227, 278480, 316240, 466454, 932908, 1166135, 1865816, 2332270, 3731632, 4664540, 9329080, 18658160]

約数ペア:

[(1, 18658160), (2, 9329080), (4, 4664540), (5, 3731632), (8, 2332270), (10, 1865816), (16, 1166135), (20, 932908), (40, 466454), (59, 316240), (67, 278480), (80, 233227), (118, 158120), (134, 139240), (236, 79060), (268, 69620), (295, 63248), (335, 55696), (472, 39530), (536, 34810), (590, 31624), (670, 27848), (944, 19765), (1072, 17405), (1180, 15812), (1340, 13924), (2360, 7906), (2680, 6962), (3481, 5360), (3953, 4720)]