19649530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67757}}^1$

素因数の和:67793

約数の個数: 16

約数和(自身を含む): 36589320

約数和(自身を除く): 16939790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67757, 135514, 338785, 677570, 1964953, 3929906, 9824765, 19649530]

約数ペア:

[(1, 19649530), (2, 9824765), (5, 3929906), (10, 1964953), (29, 677570), (58, 338785), (145, 135514), (290, 67757)]