19912696

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{29989}}^1$

素因数の和:30078

約数の個数: 16

約数和(自身を含む): 37787400

約数和(自身を除く): 17874704

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 29989, 59978, 119956, 239912, 2489087, 4978174, 9956348, 19912696]

約数ペア:

[(1, 19912696), (2, 9956348), (4, 4978174), (8, 2489087), (83, 239912), (166, 119956), (332, 59978), (664, 29989)]