19782686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6800

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 19166434

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6761, 13522, 47327, 74371, 94654, 128459, 148742, 256918, 520597, 899213, 1041194, 1413049, 1798426, 2826098, 9891343, 19782686]

約数ペア:

[(1, 19782686), (2, 9891343), (7, 2826098), (11, 1798426), (14, 1413049), (19, 1041194), (22, 899213), (38, 520597), (77, 256918), (133, 148742), (154, 128459), (209, 94654), (266, 74371), (418, 47327), (1463, 13522), (2926, 6761)]