18039833

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 21411456

約数和(自身を除く): 3371623

約数列:

[1, 7, 43, 73, 301, 511, 821, 3139, 5747, 21973, 35303, 59933, 247121, 419531, 2577119, 18039833]

約数ペア:

[(1, 18039833), (7, 2577119), (43, 419531), (73, 247121), (301, 59933), (511, 35303), (821, 21973), (3139, 5747)]