19082492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 39856992

約数和(自身を除く): 20774500

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 457, 572, 803, 914, 949, 1606, 1828, 1898, 3212, 3796, 5027, 5941, 10054, 10439, 11882, 20108, 20878, 23764, 33361, 41756, 65351, 66722, 130702, 133444, 261404, 366971, 433693, 733942, 867386, 1467884, 1734772, 4770623, 9541246, 19082492]

約数ペア:

[(1, 19082492), (2, 9541246), (4, 4770623), (11, 1734772), (13, 1467884), (22, 867386), (26, 733942), (44, 433693), (52, 366971), (73, 261404), (143, 133444), (146, 130702), (286, 66722), (292, 65351), (457, 41756), (572, 33361), (803, 23764), (914, 20878), (949, 20108), (1606, 11882), (1828, 10439), (1898, 10054), (3212, 5941), (3796, 5027)]