18892745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 24209280

約数和(自身を除く): 5316535

約数列:

[1, 5, 19, 71, 95, 355, 1349, 2801, 6745, 14005, 53219, 198871, 266095, 994355, 3778549, 18892745]

約数ペア:

[(1, 18892745), (5, 3778549), (19, 994355), (71, 266095), (95, 198871), (355, 53219), (1349, 14005), (2801, 6745)]