18728242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:922

約数の個数: 24

約数和(自身を含む): 30910896

約数和(自身を除く): 12182654

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 827, 871, 1654, 1742, 10751, 11323, 21502, 22646, 55409, 110818, 139763, 279526, 720317, 1440634, 9364121, 18728242]

約数ペア:

[(1, 18728242), (2, 9364121), (13, 1440634), (26, 720317), (67, 279526), (134, 139763), (169, 110818), (338, 55409), (827, 22646), (871, 21502), (1654, 11323), (1742, 10751)]