18256040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41491}}^1$

素因数の和:41513

約数の個数: 32

約数和(自身を含む): 44811360

約数和(自身を除く): 26555320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41491, 82982, 165964, 207455, 331928, 414910, 456401, 829820, 912802, 1659640, 1825604, 2282005, 3651208, 4564010, 9128020, 18256040]

約数ペア:

[(1, 18256040), (2, 9128020), (4, 4564010), (5, 3651208), (8, 2282005), (10, 1825604), (11, 1659640), (20, 912802), (22, 829820), (40, 456401), (44, 414910), (55, 331928), (88, 207455), (110, 165964), (220, 82982), (440, 41491)]