1978964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 3927840

約数和(自身を除く): 1948876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 2003, 4006, 8012, 26039, 38057, 52078, 76114, 104156, 152228, 494741, 989482, 1978964]

約数ペア:

[(1, 1978964), (2, 989482), (4, 494741), (13, 152228), (19, 104156), (26, 76114), (38, 52078), (52, 38057), (76, 26039), (247, 8012), (494, 4006), (988, 2003)]