18789715977

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{43649}}^1$

素因数の和:43813

約数の個数: 32

約数和(自身を含む): 26550374400

約数和(自身を除く): 7760658423

約数列:

[1, 3, 43, 47, 71, 129, 141, 213, 2021, 3053, 3337, 6063, 9159, 10011, 43649, 130947, 143491, 430473, 1876907, 2051503, 3099079, 5630721, 6154509, 9297237, 88214629, 133260397, 145656713, 264643887, 399781191, 436970139, 6263238659, 18789715977]

約数ペア:

[(1, 18789715977), (3, 6263238659), (43, 436970139), (47, 399781191), (71, 264643887), (129, 145656713), (141, 133260397), (213, 88214629), (2021, 9297237), (3053, 6154509), (3337, 5630721), (6063, 3099079), (9159, 2051503), (10011, 1876907), (43649, 430473), (130947, 143491)]