17866420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6280

約数の個数: 48

約数和(自身を含む): 44085888

約数和(自身を除く): 26219468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6247, 12494, 24988, 31235, 62470, 68717, 81211, 124940, 137434, 162422, 274868, 324844, 343585, 406055, 687170, 812110, 893321, 1374340, 1624220, 1786642, 3573284, 4466605, 8933210, 17866420]

約数ペア:

[(1, 17866420), (2, 8933210), (4, 4466605), (5, 3573284), (10, 1786642), (11, 1624220), (13, 1374340), (20, 893321), (22, 812110), (26, 687170), (44, 406055), (52, 343585), (55, 324844), (65, 274868), (110, 162422), (130, 137434), (143, 124940), (220, 81211), (260, 68717), (286, 62470), (572, 31235), (715, 24988), (1430, 12494), (2860, 6247)]