18882019940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134871571}}^1$

素因数の和:134871587

約数の個数: 24

約数和(自身を含む): 45316848192

約数和(自身を除く): 26434828252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134871571, 269743142, 539486284, 674357855, 944100997, 1348715710, 1888201994, 2697431420, 3776403988, 4720504985, 9441009970, 18882019940]

約数ペア:

[(1, 18882019940), (2, 9441009970), (4, 4720504985), (5, 3776403988), (7, 2697431420), (10, 1888201994), (14, 1348715710), (20, 944100997), (28, 674357855), (35, 539486284), (70, 269743142), (140, 134871571)]