18872013

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 26151552

約数和(自身を除く): 7279539

約数列:

[1, 3, 41, 71, 123, 213, 2161, 2911, 6483, 8733, 88601, 153431, 265803, 460293, 6290671, 18872013]

約数ペア:

[(1, 18872013), (3, 6290671), (41, 460293), (71, 265803), (123, 153431), (213, 88601), (2161, 8733), (2911, 6483)]