19226991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30417408

約数和(自身を除く): 11190417

約数列:

[1, 3, 7, 21, 41, 123, 137, 163, 287, 411, 489, 861, 959, 1141, 2877, 3423, 5617, 6683, 16851, 20049, 22331, 39319, 46781, 66993, 117957, 140343, 156317, 468951, 915571, 2746713, 6408997, 19226991]

約数ペア:

[(1, 19226991), (3, 6408997), (7, 2746713), (21, 915571), (41, 468951), (123, 156317), (137, 140343), (163, 117957), (287, 66993), (411, 46781), (489, 39319), (861, 22331), (959, 20049), (1141, 16851), (2877, 6683), (3423, 5617)]