18719635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20054

約数の個数: 16

約数和(自身を含む): 25948512

約数和(自身を除く): 7228877

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20021, 100105, 220231, 340357, 1101155, 1701785, 3743927, 18719635]

約数ペア:

[(1, 18719635), (5, 3743927), (11, 1701785), (17, 1101155), (55, 340357), (85, 220231), (187, 100105), (935, 20021)]