18085821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15991}}^1$

素因数の和:16036

約数の個数: 16

約数和(自身を含む): 26866560

約数和(自身を除く): 8780739

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 15991, 47973, 207883, 463739, 623649, 1391217, 6028607, 18085821]

約数ペア:

[(1, 18085821), (3, 6028607), (13, 1391217), (29, 623649), (39, 463739), (87, 207883), (377, 47973), (1131, 15991)]