19994026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10831}}^1$

素因数の和:10917

約数の個数: 16

約数和(自身を含む): 32755968

約数和(自身を除く): 12761942

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10831, 21662, 140803, 281606, 769001, 1538002, 9997013, 19994026]

約数ペア:

[(1, 19994026), (2, 9997013), (13, 1538002), (26, 769001), (71, 281606), (142, 140803), (923, 21662), (1846, 10831)]