18241240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6247}}^1$

素因数の和:6331

約数の個数: 32

約数和(自身を含む): 41611680

約数和(自身を除く): 23370440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6247, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 456031, 912062, 1824124, 2280155, 3648248, 4560310, 9120620, 18241240]

約数ペア:

[(1, 18241240), (2, 9120620), (4, 4560310), (5, 3648248), (8, 2280155), (10, 1824124), (20, 912062), (40, 456031), (73, 249880), (146, 124940), (292, 62470), (365, 49976), (584, 31235), (730, 24988), (1460, 12494), (2920, 6247)]