18977193

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{6959}}^1$

素因数の和:7069

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 9419607

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 6959, 20877, 62631, 187893, 702859, 2108577, 6325731, 18977193]

約数ペア:

[(1, 18977193), (3, 6325731), (9, 2108577), (27, 702859), (101, 187893), (303, 62631), (909, 20877), (2727, 6959)]