19897685

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 24558336

約数和(自身を除く): 4660651

約数列:

[1, 5, 47, 227, 235, 373, 1135, 1865, 10669, 17531, 53345, 84671, 87655, 423355, 3979537, 19897685]

約数ペア:

[(1, 19897685), (5, 3979537), (47, 423355), (227, 87655), (235, 84671), (373, 53345), (1135, 17531), (1865, 10669)]