16018821

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19559}}^1$

素因数の和:19585

約数の個数: 24

約数和(自身を含む): 28479360

約数和(自身を除く): 12460539

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19559, 58677, 136913, 176031, 254267, 410739, 762801, 1232217, 1779869, 2288403, 5339607, 16018821]

約数ペア:

[(1, 16018821), (3, 5339607), (7, 2288403), (9, 1779869), (13, 1232217), (21, 762801), (39, 410739), (63, 254267), (91, 176031), (117, 136913), (273, 58677), (819, 19559)]