17980816

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4391

約数の個数: 40

約数和(自身を含む): 40900160

約数和(自身を除く): 22919344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4339, 8678, 17356, 30373, 34712, 60746, 69424, 121492, 160543, 242984, 321086, 485968, 642172, 1123801, 1284344, 2247602, 2568688, 4495204, 8990408, 17980816]

約数ペア:

[(1, 17980816), (2, 8990408), (4, 4495204), (7, 2568688), (8, 2247602), (14, 1284344), (16, 1123801), (28, 642172), (37, 485968), (56, 321086), (74, 242984), (112, 160543), (148, 121492), (259, 69424), (296, 60746), (518, 34712), (592, 30373), (1036, 17356), (2072, 8678), (4144, 4339)]