18842065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 7160879

約数列:

[1, 5, 11, 37, 47, 55, 185, 197, 235, 407, 517, 985, 1739, 2035, 2167, 2585, 7289, 8695, 9259, 10835, 19129, 36445, 46295, 80179, 95645, 101849, 342583, 400895, 509245, 1712915, 3768413, 18842065]

約数ペア:

[(1, 18842065), (5, 3768413), (11, 1712915), (37, 509245), (47, 400895), (55, 342583), (185, 101849), (197, 95645), (235, 80179), (407, 46295), (517, 36445), (985, 19129), (1739, 10835), (2035, 9259), (2167, 8695), (2585, 7289)]