18720754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7129}}^1$

素因数の和:7245

約数の個数: 16

約数和(自身を含む): 30544920

約数和(自身を除く): 11824166

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7129, 14258, 92677, 185354, 720029, 1440058, 9360377, 18720754]

約数ペア:

[(1, 18720754), (2, 9360377), (13, 1440058), (26, 720029), (101, 185354), (202, 92677), (1313, 14258), (2626, 7129)]