18910472

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 43434000

約数和(自身を除く): 24523528

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2539, 3724, 5078, 7448, 10156, 17773, 20312, 35546, 48241, 71092, 96482, 124411, 142184, 192964, 248822, 337687, 385928, 497644, 675374, 995288, 1350748, 2363809, 2701496, 4727618, 9455236, 18910472]

約数ペア:

[(1, 18910472), (2, 9455236), (4, 4727618), (7, 2701496), (8, 2363809), (14, 1350748), (19, 995288), (28, 675374), (38, 497644), (49, 385928), (56, 337687), (76, 248822), (98, 192964), (133, 142184), (152, 124411), (196, 96482), (266, 71092), (392, 48241), (532, 35546), (931, 20312), (1064, 17773), (1862, 10156), (2539, 7448), (3724, 5078)]