2990584990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15739921}}^1$

素因数の和:15739947

約数の個数: 16

約数和(自身を含む): 5666371920

約数和(自身を除く): 2675786930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 15739921, 31479842, 78699605, 157399210, 299058499, 598116998, 1495292495, 2990584990]

約数ペア:

[(1, 2990584990), (2, 1495292495), (5, 598116998), (10, 299058499), (19, 157399210), (38, 78699605), (95, 31479842), (190, 15739921)]