18588986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1350

約数の個数: 24

約数和(自身を含む): 30919680

約数和(自身を除く): 12330694

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1279, 2558, 7267, 14534, 16627, 33254, 54997, 109994, 216151, 432302, 714961, 1429922, 9294493, 18588986]

約数ペア:

[(1, 18588986), (2, 9294493), (13, 1429922), (26, 714961), (43, 432302), (86, 216151), (169, 109994), (338, 54997), (559, 33254), (1118, 16627), (1279, 14534), (2558, 7267)]