18379916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4099}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 34440000

約数和(自身を除く): 16060084

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4099, 4484, 8198, 16396, 77881, 155762, 241841, 311524, 483682, 967364, 4594979, 9189958, 18379916]

約数ペア:

[(1, 18379916), (2, 9189958), (4, 4594979), (19, 967364), (38, 483682), (59, 311524), (76, 241841), (118, 155762), (236, 77881), (1121, 16396), (2242, 8198), (4099, 4484)]