19784427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12373}}^1$

素因数の和:12430

約数の個数: 16

約数和(自身を含む): 29103648

約数和(自身を除く): 9319221

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12373, 37119, 160849, 482547, 507293, 1521879, 6594809, 19784427]

約数ペア:

[(1, 19784427), (3, 6594809), (13, 1521879), (39, 507293), (41, 482547), (123, 160849), (533, 37119), (1599, 12373)]