18932991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7451}}^1$

素因数の和:7483

約数の個数: 24

約数和(自身を含む): 31715712

約数和(自身を除く): 12782721

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7451, 22353, 52157, 81961, 156471, 245883, 573727, 901571, 1721181, 2704713, 6310997, 18932991]

約数ペア:

[(1, 18932991), (3, 6310997), (7, 2704713), (11, 1721181), (21, 901571), (33, 573727), (77, 245883), (121, 156471), (231, 81961), (363, 52157), (847, 22353), (2541, 7451)]