18149395

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 24227280

約数和(自身を除く): 6077885

約数列:

[1, 5, 11, 55, 121, 131, 229, 605, 655, 1145, 1441, 2519, 7205, 12595, 15851, 27709, 29999, 79255, 138545, 149995, 329989, 1649945, 3629879, 18149395]

約数ペア:

[(1, 18149395), (5, 3629879), (11, 1649945), (55, 329989), (121, 149995), (131, 138545), (229, 79255), (605, 29999), (655, 27709), (1145, 15851), (1441, 12595), (2519, 7205)]