15318860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7027}}^1$

素因数の和:7145

約数の個数: 24

約数和(自身を含む): 32469360

約数和(自身を除く): 17150500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7027, 14054, 28108, 35135, 70270, 140540, 765943, 1531886, 3063772, 3829715, 7659430, 15318860]

約数ペア:

[(1, 15318860), (2, 7659430), (4, 3829715), (5, 3063772), (10, 1531886), (20, 765943), (109, 140540), (218, 70270), (436, 35135), (545, 28108), (1090, 14054), (2180, 7027)]