19946591

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 23353920

約数和(自身を除く): 3407329

約数列:

[1, 7, 89, 101, 317, 623, 707, 2219, 8989, 28213, 32017, 62923, 197491, 224119, 2849513, 19946591]

約数ペア:

[(1, 19946591), (7, 2849513), (89, 224119), (101, 197491), (317, 62923), (623, 32017), (707, 28213), (2219, 8989)]