19820056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60427}}^1$

素因数の和:60474

約数の個数: 16

約数和(自身を含む): 38069640

約数和(自身を除く): 18249584

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60427, 120854, 241708, 483416, 2477507, 4955014, 9910028, 19820056]

約数ペア:

[(1, 19820056), (2, 9910028), (4, 4955014), (8, 2477507), (41, 483416), (82, 241708), (164, 120854), (328, 60427)]