15840648

素因数分解:

$2^3\times 3^2\times {\mathrm{220009}}^1$

素因数の和:220021

約数の個数: 24

約数和(自身を含む): 42901950

約数和(自身を除く): 27061302

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 220009, 440018, 660027, 880036, 1320054, 1760072, 1980081, 2640108, 3960162, 5280216, 7920324, 15840648]

約数ペア:

[(1, 15840648), (2, 7920324), (3, 5280216), (4, 3960162), (6, 2640108), (8, 1980081), (9, 1760072), (12, 1320054), (18, 880036), (24, 660027), (36, 440018), (72, 220009)]