18447880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41927}}^1$

素因数の和:41949

約数の個数: 32

約数和(自身を含む): 45282240

約数和(自身を除く): 26834360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41927, 83854, 167708, 209635, 335416, 419270, 461197, 838540, 922394, 1677080, 1844788, 2305985, 3689576, 4611970, 9223940, 18447880]

約数ペア:

[(1, 18447880), (2, 9223940), (4, 4611970), (5, 3689576), (8, 2305985), (10, 1844788), (11, 1677080), (20, 922394), (22, 838540), (40, 461197), (44, 419270), (55, 335416), (88, 209635), (110, 167708), (220, 83854), (440, 41927)]