18678621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1171}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 26909120

約数和(自身を除く): 8230499

約数列:

[1, 3, 13, 39, 409, 1171, 1227, 3513, 5317, 15223, 15951, 45669, 478939, 1436817, 6226207, 18678621]

約数ペア:

[(1, 18678621), (3, 6226207), (13, 1436817), (39, 478939), (409, 45669), (1171, 15951), (1227, 15223), (3513, 5317)]