18626468

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 54

約数和(自身を含む): 39618306

約数和(自身を除く): 20991838

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 113, 116, 196, 203, 226, 406, 452, 791, 812, 841, 1421, 1582, 1682, 2842, 3164, 3277, 3364, 5537, 5684, 5887, 6554, 11074, 11774, 13108, 22148, 22939, 23548, 41209, 45878, 82418, 91756, 95033, 160573, 164836, 190066, 321146, 380132, 642292, 665231, 1330462, 2660924, 4656617, 9313234, 18626468]

約数ペア:

[(1, 18626468), (2, 9313234), (4, 4656617), (7, 2660924), (14, 1330462), (28, 665231), (29, 642292), (49, 380132), (58, 321146), (98, 190066), (113, 164836), (116, 160573), (196, 95033), (203, 91756), (226, 82418), (406, 45878), (452, 41209), (791, 23548), (812, 22939), (841, 22148), (1421, 13108), (1582, 11774), (1682, 11074), (2842, 6554), (3164, 5887), (3277, 5684), (3364, 5537)]