18688427807

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1\times {\mathrm{28573}}^1$

素因数の和:29222

約数の個数: 16

約数和(自身を含む): 21505935360

約数和(自身を除く): 2817507553

約数列:

[1, 7, 223, 419, 1561, 2933, 28573, 93437, 200011, 654059, 6371779, 11972087, 44602453, 83804609, 2669775401, 18688427807]

約数ペア:

[(1, 18688427807), (7, 2669775401), (223, 83804609), (419, 44602453), (1561, 11972087), (2933, 6371779), (28573, 654059), (93437, 200011)]