18719406

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{7591}}^1$

素因数の和:7736

約数の個数: 24

約数和(自身を含む): 40860144

約数和(自身を除く): 22140738

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 7591, 15182, 22773, 45546, 68319, 136638, 1039967, 2079934, 3119901, 6239802, 9359703, 18719406]

約数ペア:

[(1, 18719406), (2, 9359703), (3, 6239802), (6, 3119901), (9, 2079934), (18, 1039967), (137, 136638), (274, 68319), (411, 45546), (822, 22773), (1233, 15182), (2466, 7591)]