19812434

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 30373056

約数和(自身を除く): 10560622

約数列:

[1, 2, 61, 122, 251, 502, 647, 1294, 15311, 30622, 39467, 78934, 162397, 324794, 9906217, 19812434]

約数ペア:

[(1, 19812434), (2, 9906217), (61, 324794), (122, 162397), (251, 78934), (502, 39467), (647, 30622), (1294, 15311)]