18963173918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{36037}}^1$

素因数の和:36636

約数の個数: 32

約数和(自身を含む): 31519123104

約数和(自身を除く): 12555949186

約数列:

[1, 2, 13, 26, 37, 74, 481, 547, 962, 1094, 7111, 14222, 20239, 36037, 40478, 72074, 263107, 468481, 526214, 936962, 1333369, 2666738, 17333797, 19712239, 34667594, 39424478, 256259107, 512518214, 729352843, 1458705686, 9481586959, 18963173918]

約数ペア:

[(1, 18963173918), (2, 9481586959), (13, 1458705686), (26, 729352843), (37, 512518214), (74, 256259107), (481, 39424478), (547, 34667594), (962, 19712239), (1094, 17333797), (7111, 2666738), (14222, 1333369), (20239, 936962), (36037, 526214), (40478, 468481), (72074, 263107)]