31680638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{3989}}^1$

素因数の和:4040

約数の個数: 24

約数和(自身を含む): 54726840

約数和(自身を除く): 23046202

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 3989, 7942, 7978, 43879, 75791, 87758, 151582, 833701, 1440029, 1667402, 2880058, 15840319, 31680638]

約数ペア:

[(1, 31680638), (2, 15840319), (11, 2880058), (19, 1667402), (22, 1440029), (38, 833701), (209, 151582), (361, 87758), (418, 75791), (722, 43879), (3971, 7978), (3989, 7942)]