18920258

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 14951998

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 593, 602, 742, 1186, 2279, 4151, 4558, 8302, 15953, 25499, 31429, 31906, 50998, 62858, 178493, 220003, 356986, 440006, 1351447, 2702894, 9460129, 18920258]

約数ペア:

[(1, 18920258), (2, 9460129), (7, 2702894), (14, 1351447), (43, 440006), (53, 356986), (86, 220003), (106, 178493), (301, 62858), (371, 50998), (593, 31906), (602, 31429), (742, 25499), (1186, 15953), (2279, 8302), (4151, 4558)]