2018755888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{55073}}^1$

素因数の和:55189

約数の個数: 40

約数和(自身を含む): 4097505600

約数和(自身を除く): 2078749712

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 632, 1264, 2291, 4582, 9164, 18328, 36656, 55073, 110146, 220292, 440584, 881168, 1597117, 3194234, 4350767, 6388468, 8701534, 12776936, 17403068, 25553872, 34806136, 69612272, 126172243, 252344486, 504688972, 1009377944, 2018755888]

約数ペア:

[(1, 2018755888), (2, 1009377944), (4, 504688972), (8, 252344486), (16, 126172243), (29, 69612272), (58, 34806136), (79, 25553872), (116, 17403068), (158, 12776936), (232, 8701534), (316, 6388468), (464, 4350767), (632, 3194234), (1264, 1597117), (2291, 881168), (4582, 440584), (9164, 220292), (18328, 110146), (36656, 55073)]