19927952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113227}}^1$

素因数の和:113246

約数の個数: 20

約数和(自身を含む): 42120816

約数和(自身を除く): 22192864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113227, 226454, 452908, 905816, 1245497, 1811632, 2490994, 4981988, 9963976, 19927952]

約数ペア:

[(1, 19927952), (2, 9963976), (4, 4981988), (8, 2490994), (11, 1811632), (16, 1245497), (22, 905816), (44, 452908), (88, 226454), (176, 113227)]