18528387

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 25370112

約数和(自身を除く): 6841725

約数列:

[1, 3, 47, 141, 331, 397, 993, 1191, 15557, 18659, 46671, 55977, 131407, 394221, 6176129, 18528387]

約数ペア:

[(1, 18528387), (3, 6176129), (47, 394221), (141, 131407), (331, 55977), (397, 46671), (993, 18659), (1191, 15557)]