19825345

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 24646608

約数和(自身を除く): 4821263

約数列:

[1, 5, 41, 97, 205, 485, 997, 3977, 4985, 19885, 40877, 96709, 204385, 483545, 3965069, 19825345]

約数ペア:

[(1, 19825345), (5, 3965069), (41, 483545), (97, 204385), (205, 96709), (485, 40877), (997, 19885), (3977, 4985)]