18818541

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5857}}^1$

素因数の和:5890

約数の個数: 32

約数和(自身を含む): 33742080

約数和(自身を除く): 14923539

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 5857, 17571, 40999, 52713, 99569, 122997, 158139, 298707, 368991, 696983, 896121, 1106973, 2090949, 2688363, 6272847, 18818541]

約数ペア:

[(1, 18818541), (3, 6272847), (7, 2688363), (9, 2090949), (17, 1106973), (21, 896121), (27, 696983), (51, 368991), (63, 298707), (119, 158139), (153, 122997), (189, 99569), (357, 52713), (459, 40999), (1071, 17571), (3213, 5857)]