22640324

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42557}}^1$

素因数の和:42587

約数の個数: 24

約数和(自身を含む): 47664960

約数和(自身を除く): 25024636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 42557, 85114, 170228, 297899, 595798, 808583, 1191596, 1617166, 3234332, 5660081, 11320162, 22640324]

約数ペア:

[(1, 22640324), (2, 11320162), (4, 5660081), (7, 3234332), (14, 1617166), (19, 1191596), (28, 808583), (38, 595798), (76, 297899), (133, 170228), (266, 85114), (532, 42557)]