18561005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4157}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 5389075

約数列:

[1, 5, 19, 47, 95, 235, 893, 4157, 4465, 20785, 78983, 195379, 394915, 976895, 3712201, 18561005]

約数ペア:

[(1, 18561005), (5, 3712201), (19, 976895), (47, 394915), (95, 195379), (235, 78983), (893, 20785), (4157, 4465)]