18111860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69661}}^1$

素因数の和:69683

約数の個数: 24

約数和(自身を含む): 40961256

約数和(自身を除く): 22849396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69661, 139322, 278644, 348305, 696610, 905593, 1393220, 1811186, 3622372, 4527965, 9055930, 18111860]

約数ペア:

[(1, 18111860), (2, 9055930), (4, 4527965), (5, 3622372), (10, 1811186), (13, 1393220), (20, 905593), (26, 696610), (52, 348305), (65, 278644), (130, 139322), (260, 69661)]