18305450

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1361}}^1$

素因数の和:1642

約数の個数: 24

約数和(自身を含む): 34199820

約数和(自身を除く): 15894370

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 1345, 1361, 2690, 2722, 6725, 6805, 13450, 13610, 34025, 68050, 366109, 732218, 1830545, 3661090, 9152725, 18305450]

約数ペア:

[(1, 18305450), (2, 9152725), (5, 3661090), (10, 1830545), (25, 732218), (50, 366109), (269, 68050), (538, 34025), (1345, 13610), (1361, 13450), (2690, 6805), (2722, 6725)]