17980490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{733}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 35513856

約数和(自身を除く): 17533366

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 733, 1115, 1466, 2230, 2453, 3665, 4906, 7330, 8063, 12265, 16126, 24530, 40315, 80630, 163459, 326918, 817295, 1634590, 1798049, 3596098, 8990245, 17980490]

約数ペア:

[(1, 17980490), (2, 8990245), (5, 3596098), (10, 1798049), (11, 1634590), (22, 817295), (55, 326918), (110, 163459), (223, 80630), (446, 40315), (733, 24530), (1115, 16126), (1466, 12265), (2230, 8063), (2453, 7330), (3665, 4906)]