15739790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 34525440

約数和(自身を除く): 18785650

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 443, 646, 886, 935, 1045, 1615, 1870, 2090, 2215, 3230, 3553, 4430, 4873, 7106, 7531, 8417, 9746, 15062, 16834, 17765, 24365, 35530, 37655, 42085, 48730, 75310, 82841, 84170, 92587, 143089, 165682, 185174, 286178, 414205, 462935, 715445, 828410, 925870, 1430890, 1573979, 3147958, 7869895, 15739790]

約数ペア:

[(1, 15739790), (2, 7869895), (5, 3147958), (10, 1573979), (11, 1430890), (17, 925870), (19, 828410), (22, 715445), (34, 462935), (38, 414205), (55, 286178), (85, 185174), (95, 165682), (110, 143089), (170, 92587), (187, 84170), (190, 82841), (209, 75310), (323, 48730), (374, 42085), (418, 37655), (443, 35530), (646, 24365), (886, 17765), (935, 16834), (1045, 15062), (1615, 9746), (1870, 8417), (2090, 7531), (2215, 7106), (3230, 4873), (3553, 4430)]