19113400

素因数分解:

$2^3\times 5^2\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 44740440

約数和(自身を除く): 25627040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 227, 421, 454, 842, 908, 1135, 1684, 1816, 2105, 2270, 3368, 4210, 4540, 5675, 8420, 9080, 10525, 11350, 16840, 21050, 22700, 42100, 45400, 84200, 95567, 191134, 382268, 477835, 764536, 955670, 1911340, 2389175, 3822680, 4778350, 9556700, 19113400]

約数ペア:

[(1, 19113400), (2, 9556700), (4, 4778350), (5, 3822680), (8, 2389175), (10, 1911340), (20, 955670), (25, 764536), (40, 477835), (50, 382268), (100, 191134), (200, 95567), (227, 84200), (421, 45400), (454, 42100), (842, 22700), (908, 21050), (1135, 16840), (1684, 11350), (1816, 10525), (2105, 9080), (2270, 8420), (3368, 5675), (4210, 4540)]