19514066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 36033984

約数和(自身を除く): 16519918

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 71, 142, 143, 286, 341, 403, 682, 781, 806, 923, 961, 1562, 1846, 1922, 2201, 4402, 4433, 8866, 10153, 10571, 12493, 20306, 21142, 24211, 24986, 28613, 48422, 57226, 68231, 136462, 137423, 274846, 314743, 629486, 750541, 887003, 1501082, 1774006, 9757033, 19514066]

約数ペア:

[(1, 19514066), (2, 9757033), (11, 1774006), (13, 1501082), (22, 887003), (26, 750541), (31, 629486), (62, 314743), (71, 274846), (142, 137423), (143, 136462), (286, 68231), (341, 57226), (403, 48422), (682, 28613), (781, 24986), (806, 24211), (923, 21142), (961, 20306), (1562, 12493), (1846, 10571), (1922, 10153), (2201, 8866), (4402, 4433)]