19116656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 40466160

約数和(自身を除く): 21349504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1259, 1898, 2518, 3796, 5036, 7592, 10072, 15184, 16367, 20144, 32734, 65468, 91907, 130936, 183814, 261872, 367628, 735256, 1194791, 1470512, 2389582, 4779164, 9558328, 19116656]

約数ペア:

[(1, 19116656), (2, 9558328), (4, 4779164), (8, 2389582), (13, 1470512), (16, 1194791), (26, 735256), (52, 367628), (73, 261872), (104, 183814), (146, 130936), (208, 91907), (292, 65468), (584, 32734), (949, 20144), (1168, 16367), (1259, 15184), (1898, 10072), (2518, 7592), (3796, 5036)]