19470770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177007}}^1$

素因数の和:177025

約数の個数: 16

約数和(自身を含む): 38233728

約数和(自身を除く): 18762958

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 177007, 354014, 885035, 1770070, 1947077, 3894154, 9735385, 19470770]

約数ペア:

[(1, 19470770), (2, 9735385), (5, 3894154), (10, 1947077), (11, 1770070), (22, 885035), (55, 354014), (110, 177007)]