18709744

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11353}}^1$

素因数の和:11464

約数の個数: 20

約数和(自身を含む): 36605296

約数和(自身を除く): 17895552

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11353, 22706, 45412, 90824, 181648, 1169359, 2338718, 4677436, 9354872, 18709744]

約数ペア:

[(1, 18709744), (2, 9354872), (4, 4677436), (8, 2338718), (16, 1169359), (103, 181648), (206, 90824), (412, 45412), (824, 22706), (1648, 11353)]