19752910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 17198642

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 647, 710, 1294, 3053, 3235, 6106, 6470, 15265, 27821, 30530, 45937, 55642, 91874, 139105, 229685, 278210, 459370, 1975291, 3950582, 9876455, 19752910]

約数ペア:

[(1, 19752910), (2, 9876455), (5, 3950582), (10, 1975291), (43, 459370), (71, 278210), (86, 229685), (142, 139105), (215, 91874), (355, 55642), (430, 45937), (647, 30530), (710, 27821), (1294, 15265), (3053, 6470), (3235, 6106)]