19973356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3803}}^1$

素因数の和:3921

約数の個数: 24

約数和(自身を含む): 38024784

約数和(自身を除く): 18051428

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3803, 5252, 7606, 15212, 49439, 98878, 197756, 384103, 768206, 1536412, 4993339, 9986678, 19973356]

約数ペア:

[(1, 19973356), (2, 9986678), (4, 4993339), (13, 1536412), (26, 768206), (52, 384103), (101, 197756), (202, 98878), (404, 49439), (1313, 15212), (2626, 7606), (3803, 5252)]