18754011

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 28514304

約数和(自身を除く): 9760293

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1087, 1917, 3261, 5751, 9783, 17253, 29349, 77177, 88047, 231531, 264141, 694593, 2083779, 6251337, 18754011]

約数ペア:

[(1, 18754011), (3, 6251337), (9, 2083779), (27, 694593), (71, 264141), (81, 231531), (213, 88047), (243, 77177), (639, 29349), (1087, 17253), (1917, 9783), (3261, 5751)]