18286972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37783}}^1$

素因数の和:37809

約数の個数: 18

約数和(自身を含む): 35176904

約数和(自身を除く): 16889932

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 37783, 75566, 151132, 415613, 831226, 1662452, 4571743, 9143486, 18286972]

約数ペア:

[(1, 18286972), (2, 9143486), (4, 4571743), (11, 1662452), (22, 831226), (44, 415613), (121, 151132), (242, 75566), (484, 37783)]