18186520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41333}}^1$

素因数の和:41355

約数の個数: 32

約数和(自身を含む): 44640720

約数和(自身を除く): 26454200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41333, 82666, 165332, 206665, 330664, 413330, 454663, 826660, 909326, 1653320, 1818652, 2273315, 3637304, 4546630, 9093260, 18186520]

約数ペア:

[(1, 18186520), (2, 9093260), (4, 4546630), (5, 3637304), (8, 2273315), (10, 1818652), (11, 1653320), (20, 909326), (22, 826660), (40, 454663), (44, 413330), (55, 330664), (88, 206665), (110, 165332), (220, 82666), (440, 41333)]