18211256

素因数分解:

$2^3\times 7^1\times {\mathrm{325201}}^1$

素因数の和:325214

約数の個数: 16

約数和(自身を含む): 39024240

約数和(自身を除く): 20812984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 325201, 650402, 1300804, 2276407, 2601608, 4552814, 9105628, 18211256]

約数ペア:

[(1, 18211256), (2, 9105628), (4, 4552814), (7, 2601608), (8, 2276407), (14, 1300804), (28, 650402), (56, 325201)]