18840804988

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{877}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 33586660800

約数和(自身を除く): 14745855812

約数列:

[1, 2, 4, 137, 197, 199, 274, 394, 398, 548, 788, 796, 877, 1754, 3508, 26989, 27263, 39203, 53978, 54526, 78406, 107956, 109052, 120149, 156812, 172769, 174523, 240298, 345538, 349046, 480596, 691076, 698092, 5370811, 10741622, 21483244, 23669353, 23909651, 34381031, 47338706, 47819302, 68762062, 94677412, 95638604, 137524124, 4710201247, 9420402494, 18840804988]

約数ペア:

[(1, 18840804988), (2, 9420402494), (4, 4710201247), (137, 137524124), (197, 95638604), (199, 94677412), (274, 68762062), (394, 47819302), (398, 47338706), (548, 34381031), (788, 23909651), (796, 23669353), (877, 21483244), (1754, 10741622), (3508, 5370811), (26989, 698092), (27263, 691076), (39203, 480596), (53978, 349046), (54526, 345538), (78406, 240298), (107956, 174523), (109052, 172769), (120149, 156812)]