19128188

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 34186320

約数和(自身を除く): 15058132

約数列:

[1, 2, 4, 101, 113, 202, 226, 404, 419, 452, 838, 1676, 11413, 22826, 42319, 45652, 47347, 84638, 94694, 169276, 189388, 4782047, 9564094, 19128188]

約数ペア:

[(1, 19128188), (2, 9564094), (4, 4782047), (101, 189388), (113, 169276), (202, 94694), (226, 84638), (404, 47347), (419, 45652), (452, 42319), (838, 22826), (1676, 11413)]