18682083

素因数分解:

$3^6\times 7^2\times {\mathrm{523}}^1$

素因数の和:555

約数の個数: 42

約数和(自身を含む): 32645724

約数和(自身を除く): 13963641

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 523, 567, 729, 1323, 1569, 1701, 3661, 3969, 4707, 5103, 10983, 11907, 14121, 25627, 32949, 35721, 42363, 76881, 98847, 127089, 230643, 296541, 381267, 691929, 889623, 2075787, 2668869, 6227361, 18682083]

約数ペア:

[(1, 18682083), (3, 6227361), (7, 2668869), (9, 2075787), (21, 889623), (27, 691929), (49, 381267), (63, 296541), (81, 230643), (147, 127089), (189, 98847), (243, 76881), (441, 42363), (523, 35721), (567, 32949), (729, 25627), (1323, 14121), (1569, 11907), (1701, 10983), (3661, 5103), (3969, 4707)]