19773926

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 30336768

約数和(自身を除く): 10562842

約数列:

[1, 2, 71, 131, 142, 262, 1063, 2126, 9301, 18602, 75473, 139253, 150946, 278506, 9886963, 19773926]

約数ペア:

[(1, 19773926), (2, 9886963), (71, 278506), (131, 150946), (142, 139253), (262, 75473), (1063, 18602), (2126, 9301)]