19553930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177763}}^1$

素因数の和:177781

約数の個数: 16

約数和(自身を含む): 38397024

約数和(自身を除く): 18843094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 177763, 355526, 888815, 1777630, 1955393, 3910786, 9776965, 19553930]

約数ペア:

[(1, 19553930), (2, 9776965), (5, 3910786), (10, 1955393), (11, 1777630), (22, 888815), (55, 355526), (110, 177763)]