1815460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 3902976

約数和(自身を除く): 2087516

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2111, 4222, 8444, 10555, 21110, 42220, 90773, 181546, 363092, 453865, 907730, 1815460]

約数ペア:

[(1, 1815460), (2, 907730), (4, 453865), (5, 363092), (10, 181546), (20, 90773), (43, 42220), (86, 21110), (172, 10555), (215, 8444), (430, 4222), (860, 2111)]