2019975955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{1319}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 2634508800

約数和(自身を除く): 614532845

約数列:

[1, 5, 17, 43, 85, 215, 419, 731, 1319, 2095, 3655, 6595, 7123, 18017, 22423, 35615, 56717, 90085, 112115, 283585, 306289, 552661, 964189, 1531445, 2763305, 4820945, 9395237, 23764423, 46976185, 118822115, 403995191, 2019975955]

約数ペア:

[(1, 2019975955), (5, 403995191), (17, 118822115), (43, 46976185), (85, 23764423), (215, 9395237), (419, 4820945), (731, 2763305), (1319, 1531445), (2095, 964189), (3655, 552661), (6595, 306289), (7123, 283585), (18017, 112115), (22423, 90085), (35615, 56717)]