19916710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181061}}^1$

素因数の和:181079

約数の個数: 16

約数和(自身を含む): 39109392

約数和(自身を除く): 19192682

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181061, 362122, 905305, 1810610, 1991671, 3983342, 9958355, 19916710]

約数ペア:

[(1, 19916710), (2, 9958355), (5, 3983342), (10, 1991671), (11, 1810610), (22, 905305), (55, 362122), (110, 181061)]