19642172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40583}}^1$

素因数の和:40609

約数の個数: 18

約数和(自身を含む): 37783704

約数和(自身を除く): 18141532

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40583, 81166, 162332, 446413, 892826, 1785652, 4910543, 9821086, 19642172]

約数ペア:

[(1, 19642172), (2, 9821086), (4, 4910543), (11, 1785652), (22, 892826), (44, 446413), (121, 162332), (242, 81166), (484, 40583)]