18695736

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2636

約数の個数: 48

約数和(自身を含む): 51146160

約数和(自身を除く): 32450424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2521, 3708, 5042, 7416, 7563, 10084, 15126, 20168, 22689, 30252, 45378, 60504, 90756, 181512, 259663, 519326, 778989, 1038652, 1557978, 2077304, 2336967, 3115956, 4673934, 6231912, 9347868, 18695736]

約数ペア:

[(1, 18695736), (2, 9347868), (3, 6231912), (4, 4673934), (6, 3115956), (8, 2336967), (9, 2077304), (12, 1557978), (18, 1038652), (24, 778989), (36, 519326), (72, 259663), (103, 181512), (206, 90756), (309, 60504), (412, 45378), (618, 30252), (824, 22689), (927, 20168), (1236, 15126), (1854, 10084), (2472, 7563), (2521, 7416), (3708, 5042)]