19798911

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 32432640

約数和(自身を除く): 12633729

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 823, 891, 2187, 2469, 2673, 7407, 8019, 9053, 22221, 24057, 27159, 66663, 81477, 199989, 244431, 599967, 733293, 1799901, 2199879, 6599637, 19798911]

約数ペア:

[(1, 19798911), (3, 6599637), (9, 2199879), (11, 1799901), (27, 733293), (33, 599967), (81, 244431), (99, 199989), (243, 81477), (297, 66663), (729, 27159), (823, 24057), (891, 22221), (2187, 9053), (2469, 8019), (2673, 7407)]