18672836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 41188224

約数和(自身を除く): 22515388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1193, 1204, 2236, 2386, 3913, 4772, 7826, 8351, 15509, 15652, 16702, 31018, 33404, 51299, 62036, 102598, 108563, 205196, 217126, 359093, 434252, 666887, 718186, 1333774, 1436372, 2667548, 4668209, 9336418, 18672836]

約数ペア:

[(1, 18672836), (2, 9336418), (4, 4668209), (7, 2667548), (13, 1436372), (14, 1333774), (26, 718186), (28, 666887), (43, 434252), (52, 359093), (86, 217126), (91, 205196), (172, 108563), (182, 102598), (301, 62036), (364, 51299), (559, 33404), (602, 31018), (1118, 16702), (1193, 15652), (1204, 15509), (2236, 8351), (2386, 7826), (3913, 4772)]