19965682

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6529}}^1$

素因数の和:6681

約数の個数: 16

約数和(自身を含む): 32911200

約数和(自身を除く): 12945518

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6529, 13058, 71819, 143638, 907531, 1815062, 9982841, 19965682]

約数ペア:

[(1, 19965682), (2, 9982841), (11, 1815062), (22, 907531), (139, 143638), (278, 71819), (1529, 13058), (3058, 6529)]