19376656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4943

約数の個数: 40

約数和(自身を含む): 42566720

約数和(自身を除く): 23190064

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4903, 9806, 19612, 39224, 63739, 78448, 93157, 127478, 186314, 254956, 372628, 509912, 745256, 1019824, 1211041, 1490512, 2422082, 4844164, 9688328, 19376656]

約数ペア:

[(1, 19376656), (2, 9688328), (4, 4844164), (8, 2422082), (13, 1490512), (16, 1211041), (19, 1019824), (26, 745256), (38, 509912), (52, 372628), (76, 254956), (104, 186314), (152, 127478), (208, 93157), (247, 78448), (304, 63739), (494, 39224), (988, 19612), (1976, 9806), (3952, 4903)]