18591472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68351}}^1$

素因数の和:68376

約数の個数: 20

約数和(自身を含む): 38140416

約数和(自身を除く): 19548944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68351, 136702, 273404, 546808, 1093616, 1161967, 2323934, 4647868, 9295736, 18591472]

約数ペア:

[(1, 18591472), (2, 9295736), (4, 4647868), (8, 2323934), (16, 1161967), (17, 1093616), (34, 546808), (68, 273404), (136, 136702), (272, 68351)]