19935790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9187}}^1$

素因数の和:9232

約数の個数: 32

約数和(自身を含む): 42338304

約数和(自身を除く): 22402514

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9187, 18374, 45935, 64309, 91870, 128618, 284797, 321545, 569594, 643090, 1423985, 1993579, 2847970, 3987158, 9967895, 19935790]

約数ペア:

[(1, 19935790), (2, 9967895), (5, 3987158), (7, 2847970), (10, 1993579), (14, 1423985), (31, 643090), (35, 569594), (62, 321545), (70, 284797), (155, 128618), (217, 91870), (310, 64309), (434, 45935), (1085, 18374), (2170, 9187)]