199916918786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{404690119}}^1$

素因数の和:404690153

約数の個数: 16

約数和(自身を含む): 339939700800

約数和(自身を除く): 140022782014

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 404690119, 809380238, 5260971547, 7689112261, 10521943094, 15378224522, 99958459393, 199916918786]

約数ペア:

[(1, 199916918786), (2, 99958459393), (13, 15378224522), (19, 10521943094), (26, 7689112261), (38, 5260971547), (247, 809380238), (494, 404690119)]