18994585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1117}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 24148800

約数和(自身を除く): 5154215

約数列:

[1, 5, 19, 95, 179, 895, 1117, 3401, 5585, 17005, 21223, 106115, 199943, 999715, 3798917, 18994585]

約数ペア:

[(1, 18994585), (5, 3798917), (19, 999715), (95, 199943), (179, 106115), (895, 21223), (1117, 17005), (3401, 5585)]