19230005

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 4417675

約数列:

[1, 5, 67, 137, 335, 419, 685, 2095, 9179, 28073, 45895, 57403, 140365, 287015, 3846001, 19230005]

約数ペア:

[(1, 19230005), (5, 3846001), (67, 287015), (137, 140365), (335, 57403), (419, 45895), (685, 28073), (2095, 9179)]