19207981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 21369600

約数和(自身を除く): 2161619

約数列:

[1, 13, 59, 79, 317, 767, 1027, 4121, 4661, 18703, 25043, 60593, 243139, 325559, 1477537, 19207981]

約数ペア:

[(1, 19207981), (13, 1477537), (59, 325559), (79, 243139), (317, 60593), (767, 25043), (1027, 18703), (4121, 4661)]