19580572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4159}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 18158948

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4159, 4708, 8318, 16636, 45749, 91498, 182996, 445013, 890026, 1780052, 4895143, 9790286, 19580572]

約数ペア:

[(1, 19580572), (2, 9790286), (4, 4895143), (11, 1780052), (22, 890026), (44, 445013), (107, 182996), (214, 91498), (428, 45749), (1177, 16636), (2354, 8318), (4159, 4708)]