19601239

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 3542441

約数列:

[1, 7, 41, 163, 287, 419, 1141, 2933, 6683, 17179, 46781, 68297, 120253, 478079, 2800177, 19601239]

約数ペア:

[(1, 19601239), (7, 2800177), (41, 478079), (163, 120253), (287, 68297), (419, 46781), (1141, 17179), (2933, 6683)]