19400315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20749}}^1$

素因数の和:20782

約数の個数: 16

約数和(自身を含む): 26892000

約数和(自身を除く): 7491685

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20749, 103745, 228239, 352733, 1141195, 1763665, 3880063, 19400315]

約数ペア:

[(1, 19400315), (5, 3880063), (11, 1763665), (17, 1141195), (55, 352733), (85, 228239), (187, 103745), (935, 20749)]