18814761

素因数分解:

$3^7\times 7^1\times {\mathrm{1229}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 32275200

約数和(自身を除く): 13460439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1229, 1701, 2187, 3687, 5103, 8603, 11061, 15309, 25809, 33183, 77427, 99549, 232281, 298647, 696843, 895941, 2090529, 2687823, 6271587, 18814761]

約数ペア:

[(1, 18814761), (3, 6271587), (7, 2687823), (9, 2090529), (21, 895941), (27, 696843), (63, 298647), (81, 232281), (189, 99549), (243, 77427), (567, 33183), (729, 25809), (1229, 15309), (1701, 11061), (2187, 8603), (3687, 5103)]