18727970

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6761}}^1$

素因数の和:7045

約数の個数: 16

約数和(自身を含む): 33837048

約数和(自身を除く): 15109078

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 6761, 13522, 33805, 67610, 1872797, 3745594, 9363985, 18727970]

約数ペア:

[(1, 18727970), (2, 9363985), (5, 3745594), (10, 1872797), (277, 67610), (554, 33805), (1385, 13522), (2770, 6761)]