19756156

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10531}}^1$

素因数の和:10609

約数の個数: 24

約数和(自身を含む): 40105856

約数和(自身を除く): 20349700

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10531, 21062, 42124, 73717, 147434, 294868, 705577, 1411154, 2822308, 4939039, 9878078, 19756156]

約数ペア:

[(1, 19756156), (2, 9878078), (4, 4939039), (7, 2822308), (14, 1411154), (28, 705577), (67, 294868), (134, 147434), (268, 73717), (469, 42124), (938, 21062), (1876, 10531)]