15982990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84121}}^1$

素因数の和:84147

約数の個数: 16

約数和(自身を含む): 30283920

約数和(自身を除く): 14300930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 84121, 168242, 420605, 841210, 1598299, 3196598, 7991495, 15982990]

約数ペア:

[(1, 15982990), (2, 7991495), (5, 3196598), (10, 1598299), (19, 841210), (38, 420605), (95, 168242), (190, 84121)]