19819844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450451}}^1$

素因数の和:450466

約数の個数: 12

約数和(自身を含む): 37837968

約数和(自身を除く): 18018124

約数列:

[1, 2, 4, 11, 22, 44, 450451, 900902, 1801804, 4954961, 9909922, 19819844]

約数ペア:

[(1, 19819844), (2, 9909922), (4, 4954961), (11, 1801804), (22, 900902), (44, 450451)]