18818189

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 21799680

約数和(自身を除く): 2981491

約数列:

[1, 13, 19, 47, 247, 611, 893, 1621, 11609, 21073, 30799, 76187, 400387, 990431, 1447553, 18818189]

約数ペア:

[(1, 18818189), (13, 1447553), (19, 990431), (47, 400387), (247, 76187), (611, 30799), (893, 21073), (1621, 11609)]