19455494416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71527553}}^1$

素因数の和:71527578

約数の個数: 20

約数和(自身を含む): 39912375132

約数和(自身を除く): 20456880716

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71527553, 143055106, 286110212, 572220424, 1144440848, 1215968401, 2431936802, 4863873604, 9727747208, 19455494416]

約数ペア:

[(1, 19455494416), (2, 9727747208), (4, 4863873604), (8, 2431936802), (16, 1215968401), (17, 1144440848), (34, 572220424), (68, 286110212), (136, 143055106), (272, 71527553)]