18867836

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 37984800

約数和(自身を除く): 19116964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 169, 226, 247, 338, 452, 494, 676, 988, 1469, 2147, 2197, 2938, 3211, 4294, 4394, 5876, 6422, 8588, 8788, 12844, 19097, 27911, 38194, 41743, 55822, 76388, 83486, 111644, 166972, 248261, 362843, 496522, 725686, 993044, 1451372, 4716959, 9433918, 18867836]

約数ペア:

[(1, 18867836), (2, 9433918), (4, 4716959), (13, 1451372), (19, 993044), (26, 725686), (38, 496522), (52, 362843), (76, 248261), (113, 166972), (169, 111644), (226, 83486), (247, 76388), (338, 55822), (452, 41743), (494, 38194), (676, 27911), (988, 19097), (1469, 12844), (2147, 8788), (2197, 8588), (2938, 6422), (3211, 5876), (4294, 4394)]