18254187

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13195413

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 1637, 3717, 4911, 11151, 11459, 14733, 34377, 44199, 96583, 103131, 289749, 309393, 676081, 869247, 2028243, 2607741, 6084729, 18254187]

約数ペア:

[(1, 18254187), (3, 6084729), (7, 2607741), (9, 2028243), (21, 869247), (27, 676081), (59, 309393), (63, 289749), (177, 103131), (189, 96583), (413, 44199), (531, 34377), (1239, 14733), (1593, 11459), (1637, 11151), (3717, 4911)]