19383543

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3923}}^1$

素因数の和:3996

約数の個数: 20

約数和(自身を含む): 29437848

約数和(自身を除く): 10054305

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3923, 4941, 11769, 35307, 105921, 239303, 317763, 717909, 2153727, 6461181, 19383543]

約数ペア:

[(1, 19383543), (3, 6461181), (9, 2153727), (27, 717909), (61, 317763), (81, 239303), (183, 105921), (549, 35307), (1647, 11769), (3923, 4941)]