19983535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 9691985

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1471, 2717, 7355, 13585, 16181, 19123, 27949, 80905, 95615, 139745, 210353, 307439, 363337, 1051765, 1537195, 1816685, 3996707, 19983535]

約数ペア:

[(1, 19983535), (5, 3996707), (11, 1816685), (13, 1537195), (19, 1051765), (55, 363337), (65, 307439), (95, 210353), (143, 139745), (209, 95615), (247, 80905), (715, 27949), (1045, 19123), (1235, 16181), (1471, 13585), (2717, 7355)]