20180149641

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{15473}}^1$

素因数の和:15790

約数の個数: 48

約数和(自身を含む): 31864060800

約数和(自身を除く): 11683911159

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 263, 551, 789, 1653, 2367, 4959, 4997, 7627, 14991, 15473, 22881, 44973, 46419, 68643, 139257, 144913, 293987, 434739, 448717, 881961, 1304217, 1346151, 2645883, 4038453, 4069399, 8525623, 12208197, 25576869, 36624591, 76730607, 77318581, 118012571, 231955743, 354037713, 695867229, 1062113139, 2242238849, 6726716547, 20180149641]

約数ペア:

[(1, 20180149641), (3, 6726716547), (9, 2242238849), (19, 1062113139), (29, 695867229), (57, 354037713), (87, 231955743), (171, 118012571), (261, 77318581), (263, 76730607), (551, 36624591), (789, 25576869), (1653, 12208197), (2367, 8525623), (4959, 4069399), (4997, 4038453), (7627, 2645883), (14991, 1346151), (15473, 1304217), (22881, 881961), (44973, 448717), (46419, 434739), (68643, 293987), (139257, 144913)]