19916088

素因数分解:

$2^3\times 3^1\times {\mathrm{499}}^1\times {\mathrm{1663}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 49920000

約数和(自身を除く): 30003912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 499, 998, 1497, 1663, 1996, 2994, 3326, 3992, 4989, 5988, 6652, 9978, 11976, 13304, 19956, 39912, 829837, 1659674, 2489511, 3319348, 4979022, 6638696, 9958044, 19916088]

約数ペア:

[(1, 19916088), (2, 9958044), (3, 6638696), (4, 4979022), (6, 3319348), (8, 2489511), (12, 1659674), (24, 829837), (499, 39912), (998, 19956), (1497, 13304), (1663, 11976), (1996, 9978), (2994, 6652), (3326, 5988), (3992, 4989)]