2018165960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{18367}}^1$

素因数の和:18486

約数の個数: 64

約数和(自身を含む): 4721310720

約数和(自身を除く): 2703144760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 10988, 13735, 18367, 21976, 27470, 36734, 54940, 73468, 91835, 109880, 146936, 183670, 367340, 734680, 753047, 1230589, 1506094, 2461178, 3012188, 3765235, 4922356, 6024376, 6152945, 7530470, 9844712, 12305890, 15060940, 24611780, 30121880, 49223560, 50454149, 100908298, 201816596, 252270745, 403633192, 504541490, 1009082980, 2018165960]

約数ペア:

[(1, 2018165960), (2, 1009082980), (4, 504541490), (5, 403633192), (8, 252270745), (10, 201816596), (20, 100908298), (40, 50454149), (41, 49223560), (67, 30121880), (82, 24611780), (134, 15060940), (164, 12305890), (205, 9844712), (268, 7530470), (328, 6152945), (335, 6024376), (410, 4922356), (536, 3765235), (670, 3012188), (820, 2461178), (1340, 1506094), (1640, 1230589), (2680, 753047), (2747, 734680), (5494, 367340), (10988, 183670), (13735, 146936), (18367, 109880), (21976, 91835), (27470, 73468), (36734, 54940)]