18373360

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 43010640

約数和(自身を除く): 24637280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1409, 1630, 2608, 2818, 3260, 5636, 6520, 7045, 11272, 13040, 14090, 22544, 28180, 56360, 112720, 229667, 459334, 918668, 1148335, 1837336, 2296670, 3674672, 4593340, 9186680, 18373360]

約数ペア:

[(1, 18373360), (2, 9186680), (4, 4593340), (5, 3674672), (8, 2296670), (10, 1837336), (16, 1148335), (20, 918668), (40, 459334), (80, 229667), (163, 112720), (326, 56360), (652, 28180), (815, 22544), (1304, 14090), (1409, 13040), (1630, 11272), (2608, 7045), (2818, 6520), (3260, 5636)]