1918181804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{105557}}^1$

素因数の和:105638

約数の個数: 48

約数和(自身を含む): 4256098560

約数和(自身を除く): 2337916756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 2596, 4543, 9086, 18172, 105557, 211114, 422228, 738899, 1161127, 1477798, 2322254, 2955596, 4644508, 6227863, 8127889, 12455726, 16255778, 24911452, 32511556, 43595041, 68506493, 87190082, 137012986, 174380164, 274025972, 479545451, 959090902, 1918181804]

約数ペア:

[(1, 1918181804), (2, 959090902), (4, 479545451), (7, 274025972), (11, 174380164), (14, 137012986), (22, 87190082), (28, 68506493), (44, 43595041), (59, 32511556), (77, 24911452), (118, 16255778), (154, 12455726), (236, 8127889), (308, 6227863), (413, 4644508), (649, 2955596), (826, 2322254), (1298, 1477798), (1652, 1161127), (2596, 738899), (4543, 422228), (9086, 211114), (18172, 105557)]