20191816

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19267}}^1$

素因数の和:19404

約数の個数: 16

約数和(自身を含む): 38150640

約数和(自身を除く): 17958824

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19267, 38534, 77068, 154136, 2523977, 5047954, 10095908, 20191816]

約数ペア:

[(1, 20191816), (2, 10095908), (4, 5047954), (8, 2523977), (131, 154136), (262, 77068), (524, 38534), (1048, 19267)]