18985148

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7451}}^1$

素因数の和:7482

約数の個数: 36

約数和(自身を含む): 41626872

約数和(自身を除く): 22641724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7451, 14902, 29804, 52157, 96863, 104314, 193726, 208628, 365099, 387452, 678041, 730198, 1356082, 1460396, 2712164, 4746287, 9492574, 18985148]

約数ペア:

[(1, 18985148), (2, 9492574), (4, 4746287), (7, 2712164), (13, 1460396), (14, 1356082), (26, 730198), (28, 678041), (49, 387452), (52, 365099), (91, 208628), (98, 193726), (182, 104314), (196, 96863), (364, 52157), (637, 29804), (1274, 14902), (2548, 7451)]