18980912

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9341}}^1$

素因数の和:9476

約数の個数: 20

約数和(自身を含む): 37069056

約数和(自身を除く): 18088144

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9341, 18682, 37364, 74728, 149456, 1186307, 2372614, 4745228, 9490456, 18980912]

約数ペア:

[(1, 18980912), (2, 9490456), (4, 4745228), (8, 2372614), (16, 1186307), (127, 149456), (254, 74728), (508, 37364), (1016, 18682), (2032, 9341)]