18758492

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 33825792

約数和(自身を除く): 15067300

約数列:

[1, 2, 4, 43, 86, 172, 191, 382, 571, 764, 1142, 2284, 8213, 16426, 24553, 32852, 49106, 98212, 109061, 218122, 436244, 4689623, 9379246, 18758492]

約数ペア:

[(1, 18758492), (2, 9379246), (4, 4689623), (43, 436244), (86, 218122), (172, 109061), (191, 98212), (382, 49106), (571, 32852), (764, 24553), (1142, 16426), (2284, 8213)]