19747836

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12757}}^1$

素因数の和:12810

約数の個数: 36

約数和(自身を含む): 51083032

約数和(自身を除く): 31335196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12757, 25514, 38271, 51028, 76542, 114813, 153084, 229626, 459252, 548551, 1097102, 1645653, 2194204, 3291306, 4936959, 6582612, 9873918, 19747836]

約数ペア:

[(1, 19747836), (2, 9873918), (3, 6582612), (4, 4936959), (6, 3291306), (9, 2194204), (12, 1645653), (18, 1097102), (36, 548551), (43, 459252), (86, 229626), (129, 153084), (172, 114813), (258, 76542), (387, 51028), (516, 38271), (774, 25514), (1548, 12757)]