18916646

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:193

約数の個数: 36

約数和(自身を含む): 34286868

約数和(自身を除く): 15370222

約数列:

[1, 2, 7, 14, 43, 49, 67, 86, 98, 134, 301, 469, 602, 938, 2107, 2881, 3283, 4214, 4489, 5762, 6566, 8978, 20167, 31423, 40334, 62846, 141169, 193027, 219961, 282338, 386054, 439922, 1351189, 2702378, 9458323, 18916646]

約数ペア:

[(1, 18916646), (2, 9458323), (7, 2702378), (14, 1351189), (43, 439922), (49, 386054), (67, 282338), (86, 219961), (98, 193027), (134, 141169), (301, 62846), (469, 40334), (602, 31423), (938, 20167), (2107, 8978), (2881, 6566), (3283, 5762), (4214, 4489)]