18511713

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 30184320

約数和(自身を除く): 11672607

約数列:

[1, 3, 9, 11, 27, 33, 99, 157, 297, 397, 471, 1191, 1413, 1727, 3573, 4239, 4367, 5181, 10719, 13101, 15543, 39303, 46629, 62329, 117909, 186987, 560961, 685619, 1682883, 2056857, 6170571, 18511713]

約数ペア:

[(1, 18511713), (3, 6170571), (9, 2056857), (11, 1682883), (27, 685619), (33, 560961), (99, 186987), (157, 117909), (297, 62329), (397, 46629), (471, 39303), (1191, 15543), (1413, 13101), (1727, 10719), (3573, 5181), (4239, 4367)]