19724467

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 3419213

約数列:

[1, 7, 59, 163, 293, 413, 1141, 2051, 9617, 17287, 47759, 67319, 121009, 334313, 2817781, 19724467]

約数ペア:

[(1, 19724467), (7, 2817781), (59, 334313), (163, 121009), (293, 67319), (413, 47759), (1141, 17287), (2051, 9617)]