19767044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40841}}^1$

素因数の和:40867

約数の個数: 18

約数和(自身を含む): 38023902

約数和(自身を除く): 18256858

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40841, 81682, 163364, 449251, 898502, 1797004, 4941761, 9883522, 19767044]

約数ペア:

[(1, 19767044), (2, 9883522), (4, 4941761), (11, 1797004), (22, 898502), (44, 449251), (121, 163364), (242, 81682), (484, 40841)]