19740808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6311}}^1$

素因数の和:6357

約数の個数: 32

約数和(自身を含む): 40901760

約数和(自身を除く): 21160952

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6311, 12622, 25244, 50488, 107287, 145153, 214574, 290306, 429148, 580612, 858296, 1161224, 2467601, 4935202, 9870404, 19740808]

約数ペア:

[(1, 19740808), (2, 9870404), (4, 4935202), (8, 2467601), (17, 1161224), (23, 858296), (34, 580612), (46, 429148), (68, 290306), (92, 214574), (136, 145153), (184, 107287), (391, 50488), (782, 25244), (1564, 12622), (3128, 6311)]