18113960

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2999}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 41040000

約数和(自身を除く): 22926040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2999, 3020, 5998, 6040, 11996, 14995, 23992, 29990, 59980, 119960, 452849, 905698, 1811396, 2264245, 3622792, 4528490, 9056980, 18113960]

約数ペア:

[(1, 18113960), (2, 9056980), (4, 4528490), (5, 3622792), (8, 2264245), (10, 1811396), (20, 905698), (40, 452849), (151, 119960), (302, 59980), (604, 29990), (755, 23992), (1208, 14995), (1510, 11996), (2999, 6040), (3020, 5998)]