19908615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 34105536

約数和(自身を除く): 14196921

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 773, 1515, 1717, 2319, 3865, 5151, 8585, 11595, 13141, 25755, 39423, 65705, 78073, 197115, 234219, 390365, 1171095, 1327241, 3981723, 6636205, 19908615]

約数ペア:

[(1, 19908615), (3, 6636205), (5, 3981723), (15, 1327241), (17, 1171095), (51, 390365), (85, 234219), (101, 197115), (255, 78073), (303, 65705), (505, 39423), (773, 25755), (1515, 13141), (1717, 11595), (2319, 8585), (3865, 5151)]