18711704690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5641}}^1\times {\mathrm{47387}}^1$

素因数の和:53042

約数の個数: 32

約数和(自身を含む): 38500285824

約数和(自身を除く): 19788581134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5641, 11282, 28205, 39487, 47387, 56410, 78974, 94774, 197435, 236935, 331709, 394870, 473870, 663418, 1658545, 3317090, 267310067, 534620134, 1336550335, 1871170469, 2673100670, 3742340938, 9355852345, 18711704690]

約数ペア:

[(1, 18711704690), (2, 9355852345), (5, 3742340938), (7, 2673100670), (10, 1871170469), (14, 1336550335), (35, 534620134), (70, 267310067), (5641, 3317090), (11282, 1658545), (28205, 663418), (39487, 473870), (47387, 394870), (56410, 331709), (78974, 236935), (94774, 197435)]