18929805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54869}}^1$

素因数の和:54900

約数の個数: 16

約数和(自身を含む): 31605120

約数和(自身を除く): 12675315

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54869, 164607, 274345, 823035, 1261987, 3785961, 6309935, 18929805]

約数ペア:

[(1, 18929805), (3, 6309935), (5, 3785961), (15, 1261987), (23, 823035), (69, 274345), (115, 164607), (345, 54869)]