19554172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{853}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 37446192

約数和(自身を除く): 17892020

約数列:

[1, 2, 4, 11, 22, 44, 521, 853, 1042, 1706, 2084, 3412, 5731, 9383, 11462, 18766, 22924, 37532, 444413, 888826, 1777652, 4888543, 9777086, 19554172]

約数ペア:

[(1, 19554172), (2, 9777086), (4, 4888543), (11, 1777652), (22, 888826), (44, 444413), (521, 37532), (853, 22924), (1042, 18766), (1706, 11462), (2084, 9383), (3412, 5731)]