18580432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89329}}^1$

素因数の和:89350

約数の個数: 20

約数和(自身を含む): 38769220

約数和(自身を除く): 20188788

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89329, 178658, 357316, 714632, 1161277, 1429264, 2322554, 4645108, 9290216, 18580432]

約数ペア:

[(1, 18580432), (2, 9290216), (4, 4645108), (8, 2322554), (13, 1429264), (16, 1161277), (26, 714632), (52, 357316), (104, 178658), (208, 89329)]