18244401

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1979}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 9633999

約数列:

[1, 3, 7, 21, 439, 1317, 1979, 3073, 5937, 9219, 13853, 41559, 868781, 2606343, 6081467, 18244401]

約数ペア:

[(1, 18244401), (3, 6081467), (7, 2606343), (21, 868781), (439, 41559), (1317, 13853), (1979, 9219), (3073, 5937)]