19080117

素因数分解:

$3^6\times 7^1\times {\mathrm{3739}}^1$

素因数の和:3764

約数の個数: 28

約数和(自身を含む): 32702560

約数和(自身を除く): 13622443

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3739, 5103, 11217, 26173, 33651, 78519, 100953, 235557, 302859, 706671, 908577, 2120013, 2725731, 6360039, 19080117]

約数ペア:

[(1, 19080117), (3, 6360039), (7, 2725731), (9, 2120013), (21, 908577), (27, 706671), (63, 302859), (81, 235557), (189, 100953), (243, 78519), (567, 33651), (729, 26173), (1701, 11217), (3739, 5103)]