19012203

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{983}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 31519488

約数和(自身を除く): 12507285

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 983, 2149, 2763, 2949, 6447, 6881, 8847, 19341, 20643, 61929, 301781, 905343, 2112467, 2716029, 6337401, 19012203]

約数ペア:

[(1, 19012203), (3, 6337401), (7, 2716029), (9, 2112467), (21, 905343), (63, 301781), (307, 61929), (921, 20643), (983, 19341), (2149, 8847), (2763, 6881), (2949, 6447)]