18401860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8599}}^1$

素因数の和:8715

約数の個数: 24

約数和(自身を含む): 39009600

約数和(自身を除く): 20607740

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8599, 17198, 34396, 42995, 85990, 171980, 920093, 1840186, 3680372, 4600465, 9200930, 18401860]

約数ペア:

[(1, 18401860), (2, 9200930), (4, 4600465), (5, 3680372), (10, 1840186), (20, 920093), (107, 171980), (214, 85990), (428, 42995), (535, 34396), (1070, 17198), (2140, 8599)]