18034989

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 28344960

約数和(自身を除く): 10309971

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1553, 1659, 3871, 4659, 10871, 11613, 32613, 76097, 122687, 228291, 368061, 858809, 2576427, 6011663, 18034989]

約数ペア:

[(1, 18034989), (3, 6011663), (7, 2576427), (21, 858809), (49, 368061), (79, 228291), (147, 122687), (237, 76097), (553, 32613), (1553, 11613), (1659, 10871), (3871, 4659)]