18878988

素因数分解:

$2^2\times 3^1\times {\mathrm{863}}^1\times {\mathrm{1823}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 44126208

約数和(自身を除く): 25247220

約数列:

[1, 2, 3, 4, 6, 12, 863, 1726, 1823, 2589, 3452, 3646, 5178, 5469, 7292, 10356, 10938, 21876, 1573249, 3146498, 4719747, 6292996, 9439494, 18878988]

約数ペア:

[(1, 18878988), (2, 9439494), (3, 6292996), (4, 4719747), (6, 3146498), (12, 1573249), (863, 21876), (1726, 10938), (1823, 10356), (2589, 7292), (3452, 5469), (3646, 5178)]