19217512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39816000

約数和(自身を除く): 20598488

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 239, 437, 478, 529, 874, 956, 1058, 1748, 1912, 2116, 3496, 4232, 4541, 5497, 9082, 10051, 10994, 18164, 20102, 21988, 36328, 40204, 43976, 80408, 104443, 126431, 208886, 252862, 417772, 505724, 835544, 1011448, 2402189, 4804378, 9608756, 19217512]

約数ペア:

[(1, 19217512), (2, 9608756), (4, 4804378), (8, 2402189), (19, 1011448), (23, 835544), (38, 505724), (46, 417772), (76, 252862), (92, 208886), (152, 126431), (184, 104443), (239, 80408), (437, 43976), (478, 40204), (529, 36328), (874, 21988), (956, 20102), (1058, 18164), (1748, 10994), (1912, 10051), (2116, 9082), (3496, 5497), (4232, 4541)]