19078796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39419}}^1$

素因数の和:39445

約数の個数: 18

約数和(自身を含む): 36700020

約数和(自身を除く): 17621224

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39419, 78838, 157676, 433609, 867218, 1734436, 4769699, 9539398, 19078796]

約数ペア:

[(1, 19078796), (2, 9539398), (4, 4769699), (11, 1734436), (22, 867218), (44, 433609), (121, 157676), (242, 78838), (484, 39419)]