18508413

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 13885827

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4217, 4389, 12651, 29519, 46387, 80123, 88557, 139161, 240369, 324709, 560861, 881353, 974127, 1682583, 2644059, 6169471, 18508413]

約数ペア:

[(1, 18508413), (3, 6169471), (7, 2644059), (11, 1682583), (19, 974127), (21, 881353), (33, 560861), (57, 324709), (77, 240369), (133, 139161), (209, 88557), (231, 80123), (399, 46387), (627, 29519), (1463, 12651), (4217, 4389)]