20193125919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7537561}}^1$

素因数の和:7537630

約数の個数: 16

約数和(自身を含む): 28944238080

約数和(自身を除く): 8751112161

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7537561, 22612683, 143213659, 354265367, 429640977, 1062796101, 6731041973, 20193125919]

約数ペア:

[(1, 20193125919), (3, 6731041973), (19, 1062796101), (47, 429640977), (57, 354265367), (141, 143213659), (893, 22612683), (2679, 7537561)]