19764285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13983555

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 433, 537, 895, 1299, 2165, 2685, 3043, 6495, 7361, 9129, 15215, 22083, 36805, 45645, 77507, 110415, 232521, 387535, 1162605, 1317619, 3952857, 6588095, 19764285]

約数ペア:

[(1, 19764285), (3, 6588095), (5, 3952857), (15, 1317619), (17, 1162605), (51, 387535), (85, 232521), (179, 110415), (255, 77507), (433, 45645), (537, 36805), (895, 22083), (1299, 15215), (2165, 9129), (2685, 7361), (3043, 6495)]