18712323

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 31915520

約数和(自身を除く): 13203197

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 547, 1267, 1629, 1641, 3801, 3829, 4887, 4923, 11403, 11487, 14769, 34209, 34461, 99007, 103383, 297021, 693049, 891063, 2079147, 2673189, 6237441, 18712323]

約数ペア:

[(1, 18712323), (3, 6237441), (7, 2673189), (9, 2079147), (21, 891063), (27, 693049), (63, 297021), (181, 103383), (189, 99007), (543, 34461), (547, 34209), (1267, 14769), (1629, 11487), (1641, 11403), (3801, 4923), (3829, 4887)]