19983225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5669}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 33747840

約数和(自身を除く): 13764615

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5669, 17007, 28345, 85035, 141725, 266443, 425175, 799329, 1332215, 3996645, 6661075, 19983225]

約数ペア:

[(1, 19983225), (3, 6661075), (5, 3996645), (15, 1332215), (25, 799329), (47, 425175), (75, 266443), (141, 141725), (235, 85035), (705, 28345), (1175, 17007), (3525, 5669)]