19321945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4289}}^1$

素因数の和:4364

約数の個数: 16

約数和(自身を含む): 25019280

約数和(自身を除く): 5697335

約数列:

[1, 5, 17, 53, 85, 265, 901, 4289, 4505, 21445, 72913, 227317, 364565, 1136585, 3864389, 19321945]

約数ペア:

[(1, 19321945), (5, 3864389), (17, 1136585), (53, 364565), (85, 227317), (265, 72913), (901, 21445), (4289, 4505)]