18413199

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{883}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 30522752

約数和(自身を除く): 12109553

約数列:

[1, 3, 7, 9, 21, 63, 331, 883, 993, 2317, 2649, 2979, 6181, 6951, 7947, 18543, 20853, 55629, 292273, 876819, 2045911, 2630457, 6137733, 18413199]

約数ペア:

[(1, 18413199), (3, 6137733), (7, 2630457), (9, 2045911), (21, 876819), (63, 292273), (331, 55629), (883, 20853), (993, 18543), (2317, 7947), (2649, 6951), (2979, 6181)]