19780624

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4027}}^1$

素因数の和:4342

約数の個数: 20

約数和(自身を含む): 38459344

約数和(自身を除く): 18678720

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4027, 4912, 8054, 16108, 32216, 64432, 1236289, 2472578, 4945156, 9890312, 19780624]

約数ペア:

[(1, 19780624), (2, 9890312), (4, 4945156), (8, 2472578), (16, 1236289), (307, 64432), (614, 32216), (1228, 16108), (2456, 8054), (4027, 4912)]