19794537

素因数分解:

$3^8\times 7^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 34010496

約数和(自身を除く): 14215959

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 431, 567, 729, 1293, 1701, 2187, 3017, 3879, 5103, 6561, 9051, 11637, 15309, 27153, 34911, 45927, 81459, 104733, 244377, 314199, 733131, 942597, 2199393, 2827791, 6598179, 19794537]

約数ペア:

[(1, 19794537), (3, 6598179), (7, 2827791), (9, 2199393), (21, 942597), (27, 733131), (63, 314199), (81, 244377), (189, 104733), (243, 81459), (431, 45927), (567, 34911), (729, 27153), (1293, 15309), (1701, 11637), (2187, 9051), (3017, 6561), (3879, 5103)]