18733113

素因数分解:

$3^6\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3696

約数の個数: 28

約数和(自身を含む): 32107968

約数和(自身を除く): 13374855

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3671, 5103, 11013, 25697, 33039, 77091, 99117, 231273, 297351, 693819, 892053, 2081457, 2676159, 6244371, 18733113]

約数ペア:

[(1, 18733113), (3, 6244371), (7, 2676159), (9, 2081457), (21, 892053), (27, 693819), (63, 297351), (81, 231273), (189, 99117), (243, 77091), (567, 33039), (729, 25697), (1701, 11013), (3671, 5103)]