19979583

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 30777600

約数和(自身を除く): 10798017

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 457, 741, 767, 1121, 1371, 2301, 3363, 5941, 8683, 14573, 17823, 26049, 26963, 43719, 80889, 112879, 338637, 350519, 512297, 1051557, 1536891, 6659861, 19979583]

約数ペア:

[(1, 19979583), (3, 6659861), (13, 1536891), (19, 1051557), (39, 512297), (57, 350519), (59, 338637), (177, 112879), (247, 80889), (457, 43719), (741, 26963), (767, 26049), (1121, 17823), (1371, 14573), (2301, 8683), (3363, 5941)]