18840804993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{447217}}^1$

素因数の和:447405

約数の個数: 24

約数和(自身を含む): 28278488576

約数和(自身を除く): 9437683583

約数列:

[1, 3, 9, 31, 93, 151, 279, 453, 1359, 4681, 14043, 42129, 447217, 1341651, 4024953, 13863727, 41591181, 67529767, 124773543, 202589301, 607767903, 2093422777, 6280268331, 18840804993]

約数ペア:

[(1, 18840804993), (3, 6280268331), (9, 2093422777), (31, 607767903), (93, 202589301), (151, 124773543), (279, 67529767), (453, 41591181), (1359, 13863727), (4681, 4024953), (14043, 1341651), (42129, 447217)]