18065008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86851}}^1$

素因数の和:86872

約数の個数: 20

約数和(自身を含む): 37693768

約数和(自身を除く): 19628760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86851, 173702, 347404, 694808, 1129063, 1389616, 2258126, 4516252, 9032504, 18065008]

約数ペア:

[(1, 18065008), (2, 9032504), (4, 4516252), (8, 2258126), (13, 1389616), (16, 1129063), (26, 694808), (52, 347404), (104, 173702), (208, 86851)]