16191980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115657}}^1$

素因数の和:115673

約数の個数: 24

約数和(自身を含む): 38861088

約数和(自身を除く): 22669108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115657, 231314, 462628, 578285, 809599, 1156570, 1619198, 2313140, 3238396, 4047995, 8095990, 16191980]

約数ペア:

[(1, 16191980), (2, 8095990), (4, 4047995), (5, 3238396), (7, 2313140), (10, 1619198), (14, 1156570), (20, 809599), (28, 578285), (35, 462628), (70, 231314), (140, 115657)]