18558968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136463}}^1$

素因数の和:136486

約数の個数: 16

約数和(自身を含む): 36845280

約数和(自身を除く): 18286312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136463, 272926, 545852, 1091704, 2319871, 4639742, 9279484, 18558968]

約数ペア:

[(1, 18558968), (2, 9279484), (4, 4639742), (8, 2319871), (17, 1091704), (34, 545852), (68, 272926), (136, 136463)]