18441160

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1321}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 41643000

約数和(自身を除く): 23201840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1321, 1396, 1745, 2642, 2792, 3490, 5284, 6605, 6980, 10568, 13210, 13960, 26420, 52840, 461029, 922058, 1844116, 2305145, 3688232, 4610290, 9220580, 18441160]

約数ペア:

[(1, 18441160), (2, 9220580), (4, 4610290), (5, 3688232), (8, 2305145), (10, 1844116), (20, 922058), (40, 461029), (349, 52840), (698, 26420), (1321, 13960), (1396, 13210), (1745, 10568), (2642, 6980), (2792, 6605), (3490, 5284)]