19747630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3571}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 41149440

約数和(自身を除く): 21401810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3571, 5530, 7142, 17855, 24997, 35710, 49994, 124985, 249970, 282109, 564218, 1410545, 1974763, 2821090, 3949526, 9873815, 19747630]

約数ペア:

[(1, 19747630), (2, 9873815), (5, 3949526), (7, 2821090), (10, 1974763), (14, 1410545), (35, 564218), (70, 282109), (79, 249970), (158, 124985), (395, 49994), (553, 35710), (790, 24997), (1106, 17855), (2765, 7142), (3571, 5530)]