19151883

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3529}}^1$

素因数の和:3608

約数の個数: 20

約数和(自身を含む): 29044840

約数和(自身を除く): 9892957

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3529, 5427, 10587, 31761, 95283, 236443, 285849, 709329, 2127987, 6383961, 19151883]

約数ペア:

[(1, 19151883), (3, 6383961), (9, 2127987), (27, 709329), (67, 285849), (81, 236443), (201, 95283), (603, 31761), (1809, 10587), (3529, 5427)]