18031472

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27487}}^1$

素因数の和:27536

約数の個数: 20

約数和(自身を含む): 35789376

約数和(自身を除く): 17757904

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27487, 54974, 109948, 219896, 439792, 1126967, 2253934, 4507868, 9015736, 18031472]

約数ペア:

[(1, 18031472), (2, 9015736), (4, 4507868), (8, 2253934), (16, 1126967), (41, 439792), (82, 219896), (164, 109948), (328, 54974), (656, 27487)]