18905786

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 28858248

約数和(自身を除く): 9952462

約数列:

[1, 2, 101, 173, 202, 346, 541, 1082, 17473, 34946, 54641, 93593, 109282, 187186, 9452893, 18905786]

約数ペア:

[(1, 18905786), (2, 9452893), (101, 187186), (173, 109282), (202, 93593), (346, 54641), (541, 34946), (1082, 17473)]