18710572

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{10853}}^1$

素因数の和:11288

約数の個数: 12

約数和(自身を含む): 32822496

約数和(自身を除く): 14111924

約数列:

[1, 2, 4, 431, 862, 1724, 10853, 21706, 43412, 4677643, 9355286, 18710572]

約数ペア:

[(1, 18710572), (2, 9355286), (4, 4677643), (431, 43412), (862, 21706), (1724, 10853)]