19975582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3533}}^1$

素因数の和:3803

約数の個数: 16

約数和(自身を含む): 32823792

約数和(自身を除く): 12848210

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3533, 5654, 7066, 38863, 77726, 907981, 1815962, 9987791, 19975582]

約数ペア:

[(1, 19975582), (2, 9987791), (11, 1815962), (22, 907981), (257, 77726), (514, 38863), (2827, 7066), (3533, 5654)]