18815508

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3329}}^1$

素因数の和:3496

約数の個数: 36

約数和(自身を含む): 47878740

約数和(自身を除く): 29063232

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3329, 5652, 6658, 9987, 13316, 19974, 29961, 39948, 59922, 119844, 522653, 1045306, 1567959, 2090612, 3135918, 4703877, 6271836, 9407754, 18815508]

約数ペア:

[(1, 18815508), (2, 9407754), (3, 6271836), (4, 4703877), (6, 3135918), (9, 2090612), (12, 1567959), (18, 1045306), (36, 522653), (157, 119844), (314, 59922), (471, 39948), (628, 29961), (942, 19974), (1413, 13316), (1884, 9987), (2826, 6658), (3329, 5652)]