18109780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69653}}^1$

素因数の和:69675

約数の個数: 24

約数和(自身を含む): 40956552

約数和(自身を除く): 22846772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69653, 139306, 278612, 348265, 696530, 905489, 1393060, 1810978, 3621956, 4527445, 9054890, 18109780]

約数ペア:

[(1, 18109780), (2, 9054890), (4, 4527445), (5, 3621956), (10, 1810978), (13, 1393060), (20, 905489), (26, 696530), (52, 348265), (65, 278612), (130, 139306), (260, 69653)]