19639698512

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2469781}}^1$

素因数の和:2469867

約数の個数: 40

約数和(自身を含む): 44100427392

約数和(自身を除く): 24460728880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 2469781, 4939562, 9879124, 17288467, 19758248, 34576934, 39516496, 69153868, 138307736, 175354451, 276615472, 350708902, 701417804, 1227481157, 1402835608, 2454962314, 2805671216, 4909924628, 9819849256, 19639698512]

約数ペア:

[(1, 19639698512), (2, 9819849256), (4, 4909924628), (7, 2805671216), (8, 2454962314), (14, 1402835608), (16, 1227481157), (28, 701417804), (56, 350708902), (71, 276615472), (112, 175354451), (142, 138307736), (284, 69153868), (497, 39516496), (568, 34576934), (994, 19758248), (1136, 17288467), (1988, 9879124), (3976, 4939562), (7952, 2469781)]