18508040

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1373}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 41797080

約数和(自身を除く): 23289040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1373, 1685, 2696, 2746, 3370, 5492, 6740, 6865, 10984, 13480, 13730, 27460, 54920, 462701, 925402, 1850804, 2313505, 3701608, 4627010, 9254020, 18508040]

約数ペア:

[(1, 18508040), (2, 9254020), (4, 4627010), (5, 3701608), (8, 2313505), (10, 1850804), (20, 925402), (40, 462701), (337, 54920), (674, 27460), (1348, 13730), (1373, 13480), (1685, 10984), (2696, 6865), (2746, 6740), (3370, 5492)]