18706222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13952978

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1259, 2518, 7429, 14858, 21403, 23921, 28957, 42806, 47842, 57914, 406657, 492269, 550183, 813314, 984538, 1100366, 9353111, 18706222]

約数ペア:

[(1, 18706222), (2, 9353111), (17, 1100366), (19, 984538), (23, 813314), (34, 550183), (38, 492269), (46, 406657), (323, 57914), (391, 47842), (437, 42806), (646, 28957), (782, 23921), (874, 21403), (1259, 14858), (2518, 7429)]