18665745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10457}}^1$

素因数の和:10489

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 17477103

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 10457, 31371, 52285, 73199, 156855, 177769, 219597, 365995, 533307, 888845, 1097985, 1244383, 2666535, 3733149, 6221915, 18665745]

約数ペア:

[(1, 18665745), (3, 6221915), (5, 3733149), (7, 2666535), (15, 1244383), (17, 1097985), (21, 888845), (35, 533307), (51, 365995), (85, 219597), (105, 177769), (119, 156855), (255, 73199), (357, 52285), (595, 31371), (1785, 10457)]