18920178

素因数分解:

$2^1\times 3^2\times {\mathrm{563}}^1\times {\mathrm{1867}}^1$

素因数の和:2438

約数の個数: 24

約数和(自身を含む): 41088528

約数和(自身を除く): 22168350

約数列:

[1, 2, 3, 6, 9, 18, 563, 1126, 1689, 1867, 3378, 3734, 5067, 5601, 10134, 11202, 16803, 33606, 1051121, 2102242, 3153363, 6306726, 9460089, 18920178]

約数ペア:

[(1, 18920178), (2, 9460089), (3, 6306726), (6, 3153363), (9, 2102242), (18, 1051121), (563, 33606), (1126, 16803), (1689, 11202), (1867, 10134), (3378, 5601), (3734, 5067)]