18985445892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2597899}}^1$

素因数の和:2597945

約数の個数: 72

約数和(自身を含む): 56738136000

約数和(自身を除く): 37752690108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 2597899, 5195798, 7793697, 10391596, 15587394, 18185293, 23381091, 31174788, 36370586, 46762182, 54555879, 72741172, 75339071, 93524364, 109111758, 150678142, 163667637, 218223516, 226017213, 301356284, 327335274, 452034426, 527373497, 654670548, 678051639, 904068852, 1054746994, 1356103278, 1582120491, 2109493988, 2712206556, 3164240982, 4746361473, 6328481964, 9492722946, 18985445892]

約数ペア:

[(1, 18985445892), (2, 9492722946), (3, 6328481964), (4, 4746361473), (6, 3164240982), (7, 2712206556), (9, 2109493988), (12, 1582120491), (14, 1356103278), (18, 1054746994), (21, 904068852), (28, 678051639), (29, 654670548), (36, 527373497), (42, 452034426), (58, 327335274), (63, 301356284), (84, 226017213), (87, 218223516), (116, 163667637), (126, 150678142), (174, 109111758), (203, 93524364), (252, 75339071), (261, 72741172), (348, 54555879), (406, 46762182), (522, 36370586), (609, 31174788), (812, 23381091), (1044, 18185293), (1218, 15587394), (1827, 10391596), (2436, 7793697), (3654, 5195798), (7308, 2597899)]