18553256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136421}}^1$

素因数の和:136444

約数の個数: 16

約数和(自身を含む): 36833940

約数和(自身を除く): 18280684

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136421, 272842, 545684, 1091368, 2319157, 4638314, 9276628, 18553256]

約数ペア:

[(1, 18553256), (2, 9276628), (4, 4638314), (8, 2319157), (17, 1091368), (34, 545684), (68, 272842), (136, 136421)]