18127960

素因数分解:

$2^3\times 5^1\times {\mathrm{453199}}^1$

素因数の和:453210

約数の個数: 16

約数和(自身を含む): 40788000

約数和(自身を除く): 22660040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453199, 906398, 1812796, 2265995, 3625592, 4531990, 9063980, 18127960]

約数ペア:

[(1, 18127960), (2, 9063980), (4, 4531990), (5, 3625592), (8, 2265995), (10, 1812796), (20, 906398), (40, 453199)]