18357921

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 28397824

約数和(自身を除く): 10039903

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2437, 2511, 7311, 7533, 21933, 65799, 75547, 197397, 226641, 592191, 679923, 2039769, 6119307, 18357921]

約数ペア:

[(1, 18357921), (3, 6119307), (9, 2039769), (27, 679923), (31, 592191), (81, 226641), (93, 197397), (243, 75547), (279, 65799), (837, 21933), (2437, 7533), (2511, 7311)]