9019205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 12566400

約数和(自身を除く): 3547195

約数列:

[1, 5, 13, 19, 65, 67, 95, 109, 247, 335, 545, 871, 1235, 1273, 1417, 2071, 4355, 6365, 7085, 7303, 10355, 16549, 26923, 36515, 82745, 94939, 134615, 138757, 474695, 693785, 1803841, 9019205]

約数ペア:

[(1, 9019205), (5, 1803841), (13, 693785), (19, 474695), (65, 138757), (67, 134615), (95, 94939), (109, 82745), (247, 36515), (335, 26923), (545, 16549), (871, 10355), (1235, 7303), (1273, 7085), (1417, 6365), (2071, 4355)]