19382209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1667}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 24339456

約数和(自身を除く): 4957247

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1667, 11627, 11669, 18337, 128359, 251717, 1762019, 2768887, 19382209]

約数ペア:

[(1, 19382209), (7, 2768887), (11, 1762019), (77, 251717), (151, 128359), (1057, 18337), (1661, 11669), (1667, 11627)]