19619577

素因数分解:

$3^7\times {\mathrm{8971}}^1$

素因数の和:8992

約数の個数: 16

約数和(自身を含む): 29428160

約数和(自身を除く): 9808583

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 8971, 26913, 80739, 242217, 726651, 2179953, 6539859, 19619577]

約数ペア:

[(1, 19619577), (3, 6539859), (9, 2179953), (27, 726651), (81, 242217), (243, 80739), (729, 26913), (2187, 8971)]