19597025

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 28045824

約数和(自身を除く): 8448799

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 991, 2825, 3955, 4955, 6937, 19775, 24775, 34685, 111983, 173425, 559915, 783881, 2799575, 3919405, 19597025]

約数ペア:

[(1, 19597025), (5, 3919405), (7, 2799575), (25, 783881), (35, 559915), (113, 173425), (175, 111983), (565, 34685), (791, 24775), (991, 19775), (2825, 6937), (3955, 4955)]