26639216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{87629}}^1$

素因数の和:87656

約数の個数: 20

約数和(自身を含む): 54330600

約数和(自身を除く): 27691384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 87629, 175258, 350516, 701032, 1402064, 1664951, 3329902, 6659804, 13319608, 26639216]

約数ペア:

[(1, 26639216), (2, 13319608), (4, 6659804), (8, 3329902), (16, 1664951), (19, 1402064), (38, 701032), (76, 350516), (152, 175258), (304, 87629)]