18940408

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 18614792

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1303, 1817, 2606, 3634, 5212, 7268, 10424, 14536, 29969, 59938, 102937, 119876, 205874, 239752, 411748, 823496, 2367551, 4735102, 9470204, 18940408]

約数ペア:

[(1, 18940408), (2, 9470204), (4, 4735102), (8, 2367551), (23, 823496), (46, 411748), (79, 239752), (92, 205874), (158, 119876), (184, 102937), (316, 59938), (632, 29969), (1303, 14536), (1817, 10424), (2606, 7268), (3634, 5212)]