19719256

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 18188744

約数列:

[1, 2, 4, 8, 71, 142, 149, 233, 284, 298, 466, 568, 596, 932, 1192, 1864, 10579, 16543, 21158, 33086, 34717, 42316, 66172, 69434, 84632, 132344, 138868, 277736, 2464907, 4929814, 9859628, 19719256]

約数ペア:

[(1, 19719256), (2, 9859628), (4, 4929814), (8, 2464907), (71, 277736), (142, 138868), (149, 132344), (233, 84632), (284, 69434), (298, 66172), (466, 42316), (568, 34717), (596, 33086), (932, 21158), (1192, 16543), (1864, 10579)]