18916795

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 4525253

約数列:

[1, 5, 47, 101, 235, 505, 797, 3985, 4747, 23735, 37459, 80497, 187295, 402485, 3783359, 18916795]

約数ペア:

[(1, 18916795), (5, 3783359), (47, 402485), (101, 187295), (235, 80497), (505, 37459), (797, 23735), (3985, 4747)]