18706936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2053}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 37711440

約数和(自身を除く): 19004504

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2053, 2278, 4106, 4556, 8212, 9112, 16424, 34901, 69802, 137551, 139604, 275102, 279208, 550204, 1100408, 2338367, 4676734, 9353468, 18706936]

約数ペア:

[(1, 18706936), (2, 9353468), (4, 4676734), (8, 2338367), (17, 1100408), (34, 550204), (67, 279208), (68, 275102), (134, 139604), (136, 137551), (268, 69802), (536, 34901), (1139, 16424), (2053, 9112), (2278, 8212), (4106, 4556)]