189018128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{908741}}^1$

素因数の和:908762

約数の個数: 20

約数和(自身を含む): 394394028

約数和(自身を除く): 205375900

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 908741, 1817482, 3634964, 7269928, 11813633, 14539856, 23627266, 47254532, 94509064, 189018128]

約数ペア:

[(1, 189018128), (2, 94509064), (4, 47254532), (8, 23627266), (13, 14539856), (16, 11813633), (26, 7269928), (52, 3634964), (104, 1817482), (208, 908741)]