19945962

素因数分解:

$2^1\times 3^2\times {\mathrm{503}}^1\times {\mathrm{2203}}^1$

素因数の和:2714

約数の個数: 24

約数和(自身を含む): 43321824

約数和(自身を除く): 23375862

約数列:

[1, 2, 3, 6, 9, 18, 503, 1006, 1509, 2203, 3018, 4406, 4527, 6609, 9054, 13218, 19827, 39654, 1108109, 2216218, 3324327, 6648654, 9972981, 19945962]

約数ペア:

[(1, 19945962), (2, 9972981), (3, 6648654), (6, 3324327), (9, 2216218), (18, 1108109), (503, 39654), (1006, 19827), (1509, 13218), (2203, 9054), (3018, 6609), (4406, 4527)]