18680436

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 30005964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 643, 807, 1076, 1286, 1614, 1929, 2421, 2572, 3228, 3858, 4842, 5787, 7263, 7716, 9684, 11574, 14526, 17361, 23148, 29052, 34722, 69444, 172967, 345934, 518901, 691868, 1037802, 1556703, 2075604, 3113406, 4670109, 6226812, 9340218, 18680436]

約数ペア:

[(1, 18680436), (2, 9340218), (3, 6226812), (4, 4670109), (6, 3113406), (9, 2075604), (12, 1556703), (18, 1037802), (27, 691868), (36, 518901), (54, 345934), (108, 172967), (269, 69444), (538, 34722), (643, 29052), (807, 23148), (1076, 17361), (1286, 14526), (1614, 11574), (1929, 9684), (2421, 7716), (2572, 7263), (3228, 5787), (3858, 4842)]