19769728

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 45288000

約数和(自身を除く): 25518272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 739, 836, 1216, 1408, 1478, 1672, 2432, 2956, 3344, 5912, 6688, 8129, 11824, 13376, 14041, 16258, 23648, 26752, 28082, 32516, 47296, 56164, 65032, 94592, 112328, 130064, 154451, 224656, 260128, 308902, 449312, 520256, 617804, 898624, 1040512, 1235608, 1797248, 2471216, 4942432, 9884864, 19769728]

約数ペア:

[(1, 19769728), (2, 9884864), (4, 4942432), (8, 2471216), (11, 1797248), (16, 1235608), (19, 1040512), (22, 898624), (32, 617804), (38, 520256), (44, 449312), (64, 308902), (76, 260128), (88, 224656), (128, 154451), (152, 130064), (176, 112328), (209, 94592), (304, 65032), (352, 56164), (418, 47296), (608, 32516), (704, 28082), (739, 26752), (836, 23648), (1216, 16258), (1408, 14041), (1478, 13376), (1672, 11824), (2432, 8129), (2956, 6688), (3344, 5912)]