20185969246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{16889}}^1$

素因数の和:17424

約数の個数: 32

約数和(自身を含む): 32396371200

約数和(自身を除く): 12210401954

約数列:

[1, 2, 19, 38, 71, 142, 443, 886, 1349, 2698, 8417, 16834, 16889, 31453, 33778, 62906, 320891, 597607, 641782, 1195214, 1199119, 2398238, 7481827, 14963654, 22783261, 45566522, 142154713, 284309426, 531209717, 1062419434, 10092984623, 20185969246]

約数ペア:

[(1, 20185969246), (2, 10092984623), (19, 1062419434), (38, 531209717), (71, 284309426), (142, 142154713), (443, 45566522), (886, 22783261), (1349, 14963654), (2698, 7481827), (8417, 2398238), (16834, 1199119), (16889, 1195214), (31453, 641782), (33778, 597607), (62906, 320891)]