1808654994

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{157247}}^1$

素因数の和:157332

約数の個数: 40

約数和(自身を含む): 4109833728

約数和(自身を除く): 2301178734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 11502, 157247, 314494, 471741, 943482, 1415223, 2830446, 4245669, 8491338, 11164537, 12737007, 22329074, 25474014, 33493611, 66987222, 100480833, 200961666, 301442499, 602884998, 904327497, 1808654994]

約数ペア:

[(1, 1808654994), (2, 904327497), (3, 602884998), (6, 301442499), (9, 200961666), (18, 100480833), (27, 66987222), (54, 33493611), (71, 25474014), (81, 22329074), (142, 12737007), (162, 11164537), (213, 8491338), (426, 4245669), (639, 2830446), (1278, 1415223), (1917, 943482), (3834, 471741), (5751, 314494), (11502, 157247)]