18176920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23917}}^1$

素因数の和:23947

約数の個数: 32

約数和(自身を含む): 43052400

約数和(自身を除く): 24875480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23917, 47834, 95668, 119585, 191336, 239170, 454423, 478340, 908846, 956680, 1817692, 2272115, 3635384, 4544230, 9088460, 18176920]

約数ペア:

[(1, 18176920), (2, 9088460), (4, 4544230), (5, 3635384), (8, 2272115), (10, 1817692), (19, 956680), (20, 908846), (38, 478340), (40, 454423), (76, 239170), (95, 191336), (152, 119585), (190, 95668), (380, 47834), (760, 23917)]