18815576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 38208240

約数和(自身を除く): 19392664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 797, 908, 1594, 1816, 2951, 3188, 5902, 6376, 10361, 11804, 20722, 23608, 41444, 82888, 180919, 361838, 723676, 1447352, 2351947, 4703894, 9407788, 18815576]

約数ペア:

[(1, 18815576), (2, 9407788), (4, 4703894), (8, 2351947), (13, 1447352), (26, 723676), (52, 361838), (104, 180919), (227, 82888), (454, 41444), (797, 23608), (908, 20722), (1594, 11804), (1816, 10361), (2951, 6376), (3188, 5902)]