18550064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 39132912

約数和(自身を除く): 20582848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 883, 1313, 1616, 1766, 2626, 3532, 5252, 7064, 10504, 11479, 14128, 21008, 22958, 45916, 89183, 91832, 178366, 183664, 356732, 713464, 1159379, 1426928, 2318758, 4637516, 9275032, 18550064]

約数ペア:

[(1, 18550064), (2, 9275032), (4, 4637516), (8, 2318758), (13, 1426928), (16, 1159379), (26, 713464), (52, 356732), (101, 183664), (104, 178366), (202, 91832), (208, 89183), (404, 45916), (808, 22958), (883, 21008), (1313, 14128), (1616, 11479), (1766, 10504), (2626, 7064), (3532, 5252)]