12339890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11321}}^1$

素因数の和:11437

約数の個数: 16

約数和(自身を含む): 22417560

約数和(自身を除く): 10077670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 11321, 22642, 56605, 113210, 1233989, 2467978, 6169945, 12339890]

約数ペア:

[(1, 12339890), (2, 6169945), (5, 2467978), (10, 1233989), (109, 113210), (218, 56605), (545, 22642), (1090, 11321)]