2013221995220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{38671187}}^1$

素因数の和:38671352

約数の個数: 48

約数和(自身を含む): 4482764112960

約数和(自身を除く): 2469542117740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 5206, 10412, 13015, 26030, 52060, 38671187, 77342374, 154684748, 193355935, 386711870, 734752553, 773423740, 1469505106, 2939010212, 3673762765, 5297952619, 7347525530, 10595905238, 14695051060, 21191810476, 26489763095, 52979526190, 100661099761, 105959052380, 201322199522, 402644399044, 503305498805, 1006610997610, 2013221995220]

約数ペア:

[(1, 2013221995220), (2, 1006610997610), (4, 503305498805), (5, 402644399044), (10, 201322199522), (19, 105959052380), (20, 100661099761), (38, 52979526190), (76, 26489763095), (95, 21191810476), (137, 14695051060), (190, 10595905238), (274, 7347525530), (380, 5297952619), (548, 3673762765), (685, 2939010212), (1370, 1469505106), (2603, 773423740), (2740, 734752553), (5206, 386711870), (10412, 193355935), (13015, 154684748), (26030, 77342374), (52060, 38671187)]