191599990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1008421}}^1$

素因数の和:1008447

約数の個数: 16

約数和(自身を含む): 363031920

約数和(自身を除く): 171431930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1008421, 2016842, 5042105, 10084210, 19159999, 38319998, 95799995, 191599990]

約数ペア:

[(1, 191599990), (2, 95799995), (5, 38319998), (10, 19159999), (19, 10084210), (38, 5042105), (95, 2016842), (190, 1008421)]