19971913

素因数分解:

${\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2088

約数の個数: 12

約数和(自身を含む): 22003920

約数和(自身を除く): 2032007

約数列:

[1, 13, 59, 169, 767, 2003, 9971, 26039, 118177, 338507, 1536301, 19971913]

約数ペア:

[(1, 19971913), (13, 1536301), (59, 338507), (169, 118177), (767, 26039), (2003, 9971)]