19939644

素因数分解:

$2^2\times 3^2\times {\mathrm{673}}^1\times {\mathrm{823}}^1$

素因数の和:1506

約数の個数: 36

約数和(自身を含む): 50539216

約数和(自身を除く): 30599572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 673, 823, 1346, 1646, 2019, 2469, 2692, 3292, 4038, 4938, 6057, 7407, 8076, 9876, 12114, 14814, 24228, 29628, 553879, 1107758, 1661637, 2215516, 3323274, 4984911, 6646548, 9969822, 19939644]

約数ペア:

[(1, 19939644), (2, 9969822), (3, 6646548), (4, 4984911), (6, 3323274), (9, 2215516), (12, 1661637), (18, 1107758), (36, 553879), (673, 29628), (823, 24228), (1346, 14814), (1646, 12114), (2019, 9876), (2469, 8076), (2692, 7407), (3292, 6057), (4038, 4938)]