19686241390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67883591}}^1$

素因数の和:67883627

約数の個数: 16

約数和(自身を含む): 36657139680

約数和(自身を除く): 16970898290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67883591, 135767182, 339417955, 678835910, 1968624139, 3937248278, 9843120695, 19686241390]

約数ペア:

[(1, 19686241390), (2, 9843120695), (5, 3937248278), (10, 1968624139), (29, 678835910), (58, 339417955), (145, 135767182), (290, 67883591)]