18555273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 31674240

約数和(自身を除く): 13118967

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 281, 319, 667, 759, 843, 957, 2001, 2277, 2529, 2871, 3091, 6003, 6463, 7337, 8149, 9273, 19389, 22011, 24447, 27819, 58167, 66033, 71093, 73341, 89639, 187427, 213279, 268917, 562281, 639837, 806751, 1686843, 2061697, 6185091, 18555273]

約数ペア:

[(1, 18555273), (3, 6185091), (9, 2061697), (11, 1686843), (23, 806751), (29, 639837), (33, 562281), (69, 268917), (87, 213279), (99, 187427), (207, 89639), (253, 73341), (261, 71093), (281, 66033), (319, 58167), (667, 27819), (759, 24447), (843, 22011), (957, 19389), (2001, 9273), (2277, 8149), (2529, 7337), (2871, 6463), (3091, 6003)]