18689148

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2267}}^1$

素因数の和:2506

約数の個数: 36

約数和(自身を含む): 47469240

約数和(自身を除く): 28780092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2267, 2748, 4122, 4534, 6801, 8244, 9068, 13602, 20403, 27204, 40806, 81612, 519143, 1038286, 1557429, 2076572, 3114858, 4672287, 6229716, 9344574, 18689148]

約数ペア:

[(1, 18689148), (2, 9344574), (3, 6229716), (4, 4672287), (6, 3114858), (9, 2076572), (12, 1557429), (18, 1038286), (36, 519143), (229, 81612), (458, 40806), (687, 27204), (916, 20403), (1374, 13602), (2061, 9068), (2267, 8244), (2748, 6801), (4122, 4534)]