18313240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41621}}^1$

素因数の和:41643

約数の個数: 32

約数和(自身を含む): 44951760

約数和(自身を除く): 26638520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41621, 83242, 166484, 208105, 332968, 416210, 457831, 832420, 915662, 1664840, 1831324, 2289155, 3662648, 4578310, 9156620, 18313240]

約数ペア:

[(1, 18313240), (2, 9156620), (4, 4578310), (5, 3662648), (8, 2289155), (10, 1831324), (11, 1664840), (20, 915662), (22, 832420), (40, 457831), (44, 416210), (55, 332968), (88, 208105), (110, 166484), (220, 83242), (440, 41621)]