18966645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24793}}^1$

素因数の和:24821

約数の個数: 24

約数和(自身を含む): 34810776

約数和(自身を除く): 15844131

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 24793, 74379, 123965, 223137, 371895, 421481, 1115685, 1264443, 2107405, 3793329, 6322215, 18966645]

約数ペア:

[(1, 18966645), (3, 6322215), (5, 3793329), (9, 2107405), (15, 1264443), (17, 1115685), (45, 421481), (51, 371895), (85, 223137), (153, 123965), (255, 74379), (765, 24793)]