18979455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10457}}^1$

素因数の和:10487

約数の個数: 24

約数和(自身を含む): 33381936

約数和(自身を除く): 14402481

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 10457, 31371, 52285, 115027, 156855, 345081, 575135, 1265297, 1725405, 3795891, 6326485, 18979455]

約数ペア:

[(1, 18979455), (3, 6326485), (5, 3795891), (11, 1725405), (15, 1265297), (33, 575135), (55, 345081), (121, 156855), (165, 115027), (363, 52285), (605, 31371), (1815, 10457)]