19996659

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{2063}}^1$

素因数の和:2431

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 9724941

約数列:

[1, 3, 9, 27, 359, 1077, 2063, 3231, 6189, 9693, 18567, 55701, 740617, 2221851, 6665553, 19996659]

約数ペア:

[(1, 19996659), (3, 6665553), (9, 2221851), (27, 740617), (359, 55701), (1077, 18567), (2063, 9693), (3231, 6189)]