19701435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 34449408

約数和(自身を除く): 14747973

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1423, 2769, 4269, 4615, 7115, 13845, 18499, 21345, 55497, 92495, 101033, 277485, 303099, 505165, 1313429, 1515495, 3940287, 6567145, 19701435]

約数ペア:

[(1, 19701435), (3, 6567145), (5, 3940287), (13, 1515495), (15, 1313429), (39, 505165), (65, 303099), (71, 277485), (195, 101033), (213, 92495), (355, 55497), (923, 21345), (1065, 18499), (1423, 13845), (2769, 7115), (4269, 4615)]