1818908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 4139520

約数和(自身を除く): 2320612

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 263, 266, 364, 494, 526, 532, 988, 1052, 1729, 1841, 3419, 3458, 3682, 4997, 6838, 6916, 7364, 9994, 13676, 19988, 23933, 34979, 47866, 64961, 69958, 95732, 129922, 139916, 259844, 454727, 909454, 1818908]

約数ペア:

[(1, 1818908), (2, 909454), (4, 454727), (7, 259844), (13, 139916), (14, 129922), (19, 95732), (26, 69958), (28, 64961), (38, 47866), (52, 34979), (76, 23933), (91, 19988), (133, 13676), (182, 9994), (247, 7364), (263, 6916), (266, 6838), (364, 4997), (494, 3682), (526, 3458), (532, 3419), (988, 1841), (1052, 1729)]