19889028

素因数分解:

$2^2\times 3^2\times {\mathrm{552473}}^1$

素因数の和:552483

約数の個数: 18

約数和(自身を含む): 50275134

約数和(自身を除く): 30386106

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552473, 1104946, 1657419, 2209892, 3314838, 4972257, 6629676, 9944514, 19889028]

約数ペア:

[(1, 19889028), (2, 9944514), (3, 6629676), (4, 4972257), (6, 3314838), (9, 2209892), (12, 1657419), (18, 1104946), (36, 552473)]