19629405

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 15650595

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 1499, 2619, 4365, 4497, 7495, 13095, 13491, 22485, 40473, 67455, 145403, 202365, 436209, 727015, 1308627, 2181045, 3925881, 6543135, 19629405]

約数ペア:

[(1, 19629405), (3, 6543135), (5, 3925881), (9, 2181045), (15, 1308627), (27, 727015), (45, 436209), (97, 202365), (135, 145403), (291, 67455), (485, 40473), (873, 22485), (1455, 13491), (1499, 13095), (2619, 7495), (4365, 4497)]