18694472

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 36340920

約数和(自身を除く): 17646448

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 461, 548, 922, 1096, 1844, 3688, 5069, 10138, 17057, 20276, 34114, 40552, 63157, 68228, 126314, 136456, 252628, 505256, 2336809, 4673618, 9347236, 18694472]

約数ペア:

[(1, 18694472), (2, 9347236), (4, 4673618), (8, 2336809), (37, 505256), (74, 252628), (137, 136456), (148, 126314), (274, 68228), (296, 63157), (461, 40552), (548, 34114), (922, 20276), (1096, 17057), (1844, 10138), (3688, 5069)]