19592166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 44914176

約数和(自身を除く): 25322010

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 71, 74, 111, 113, 142, 213, 222, 226, 339, 407, 426, 678, 781, 814, 1221, 1243, 1562, 2343, 2442, 2486, 2627, 3729, 4181, 4686, 5254, 7458, 7881, 8023, 8362, 12543, 15762, 16046, 24069, 25086, 28897, 45991, 48138, 57794, 86691, 88253, 91982, 137973, 173382, 176506, 264759, 275946, 296851, 529518, 593702, 890553, 1781106, 3265361, 6530722, 9796083, 19592166]

約数ペア:

[(1, 19592166), (2, 9796083), (3, 6530722), (6, 3265361), (11, 1781106), (22, 890553), (33, 593702), (37, 529518), (66, 296851), (71, 275946), (74, 264759), (111, 176506), (113, 173382), (142, 137973), (213, 91982), (222, 88253), (226, 86691), (339, 57794), (407, 48138), (426, 45991), (678, 28897), (781, 25086), (814, 24069), (1221, 16046), (1243, 15762), (1562, 12543), (2343, 8362), (2442, 8023), (2486, 7881), (2627, 7458), (3729, 5254), (4181, 4686)]