18665937

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10902063

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 769, 783, 837, 899, 2307, 2697, 6921, 8091, 20763, 22301, 23839, 24273, 66903, 71517, 200709, 214551, 602127, 643653, 691331, 2073993, 6221979, 18665937]

約数ペア:

[(1, 18665937), (3, 6221979), (9, 2073993), (27, 691331), (29, 643653), (31, 602127), (87, 214551), (93, 200709), (261, 71517), (279, 66903), (769, 24273), (783, 23839), (837, 22301), (899, 20763), (2307, 8091), (2697, 6921)]