18804524991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{532691}}^1$

素因数の和:532783

約数の個数: 24

約数和(自身を含む): 29370506112

約数和(自身を除く): 10565981121

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1681, 5043, 11767, 35301, 532691, 1598073, 3728837, 11186511, 21840331, 65520993, 152882317, 458646951, 895453571, 2686360713, 6268174997, 18804524991]

約数ペア:

[(1, 18804524991), (3, 6268174997), (7, 2686360713), (21, 895453571), (41, 458646951), (123, 152882317), (287, 65520993), (861, 21840331), (1681, 11186511), (5043, 3728837), (11767, 1598073), (35301, 532691)]