18461960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41959}}^1$

素因数の和:41981

約数の個数: 32

約数和(自身を含む): 45316800

約数和(自身を除く): 26854840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41959, 83918, 167836, 209795, 335672, 419590, 461549, 839180, 923098, 1678360, 1846196, 2307745, 3692392, 4615490, 9230980, 18461960]

約数ペア:

[(1, 18461960), (2, 9230980), (4, 4615490), (5, 3692392), (8, 2307745), (10, 1846196), (11, 1678360), (20, 923098), (22, 839180), (40, 461549), (44, 419590), (55, 335672), (88, 209795), (110, 167836), (220, 83918), (440, 41959)]