19635512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{523}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 41925240

約数和(自身を除く): 22289728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 523, 722, 988, 1046, 1444, 1976, 2092, 2888, 4184, 4693, 6799, 9386, 9937, 13598, 18772, 19874, 27196, 37544, 39748, 54392, 79496, 129181, 188803, 258362, 377606, 516724, 755212, 1033448, 1510424, 2454439, 4908878, 9817756, 19635512]

約数ペア:

[(1, 19635512), (2, 9817756), (4, 4908878), (8, 2454439), (13, 1510424), (19, 1033448), (26, 755212), (38, 516724), (52, 377606), (76, 258362), (104, 188803), (152, 129181), (247, 79496), (361, 54392), (494, 39748), (523, 37544), (722, 27196), (988, 19874), (1046, 18772), (1444, 13598), (1976, 9937), (2092, 9386), (2888, 6799), (4184, 4693)]