18070479

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4196

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13862961

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4157, 4347, 12471, 29099, 37413, 87297, 95611, 112239, 261891, 286833, 669277, 785673, 860499, 2007831, 2581497, 6023493, 18070479]

約数ペア:

[(1, 18070479), (3, 6023493), (7, 2581497), (9, 2007831), (21, 860499), (23, 785673), (27, 669277), (63, 286833), (69, 261891), (161, 112239), (189, 95611), (207, 87297), (483, 37413), (621, 29099), (1449, 12471), (4157, 4347)]