12781984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{21023}}^1$

素因数の和:21052

約数の個数: 24

約数和(自身を含む): 26490240

約数和(自身を除く): 13708256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 21023, 42046, 84092, 168184, 336368, 399437, 672736, 798874, 1597748, 3195496, 6390992, 12781984]

約数ペア:

[(1, 12781984), (2, 6390992), (4, 3195496), (8, 1597748), (16, 798874), (19, 672736), (32, 399437), (38, 336368), (76, 168184), (152, 84092), (304, 42046), (608, 21023)]