18534201

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 29247840

約数和(自身を除く): 10713639

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2137, 2891, 6411, 8673, 14959, 44877, 104713, 126083, 314139, 378249, 882581, 2647743, 6178067, 18534201]

約数ペア:

[(1, 18534201), (3, 6178067), (7, 2647743), (21, 882581), (49, 378249), (59, 314139), (147, 126083), (177, 104713), (413, 44877), (1239, 14959), (2137, 8673), (2891, 6411)]