18244304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 20086576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 367, 478, 734, 956, 1468, 1912, 2936, 3107, 3824, 4771, 5872, 6214, 9542, 12428, 19084, 24856, 38168, 49712, 76336, 87713, 175426, 350852, 701704, 1140269, 1403408, 2280538, 4561076, 9122152, 18244304]

約数ペア:

[(1, 18244304), (2, 9122152), (4, 4561076), (8, 2280538), (13, 1403408), (16, 1140269), (26, 701704), (52, 350852), (104, 175426), (208, 87713), (239, 76336), (367, 49712), (478, 38168), (734, 24856), (956, 19084), (1468, 12428), (1912, 9542), (2936, 6214), (3107, 5872), (3824, 4771)]