19717456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112031}}^1$

素因数の和:112050

約数の個数: 20

約数和(自身を含む): 41675904

約数和(自身を除く): 21958448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112031, 224062, 448124, 896248, 1232341, 1792496, 2464682, 4929364, 9858728, 19717456]

約数ペア:

[(1, 19717456), (2, 9858728), (4, 4929364), (8, 2464682), (11, 1792496), (16, 1232341), (22, 896248), (44, 448124), (88, 224062), (176, 112031)]