19863184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112859}}^1$

素因数の和:112878

約数の個数: 20

約数和(自身を含む): 41983920

約数和(自身を除く): 22120736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112859, 225718, 451436, 902872, 1241449, 1805744, 2482898, 4965796, 9931592, 19863184]

約数ペア:

[(1, 19863184), (2, 9931592), (4, 4965796), (8, 2482898), (11, 1805744), (16, 1241449), (22, 902872), (44, 451436), (88, 225718), (176, 112859)]