19429136

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2969}}^1$

素因数の和:3386

約数の個数: 20

約数和(自身を含む): 37748700

約数和(自身を除く): 18319564

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2969, 3272, 5938, 6544, 11876, 23752, 47504, 1214321, 2428642, 4857284, 9714568, 19429136]

約数ペア:

[(1, 19429136), (2, 9714568), (4, 4857284), (8, 2428642), (16, 1214321), (409, 47504), (818, 23752), (1636, 11876), (2969, 6544), (3272, 5938)]