18804807976

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1\times {\mathrm{587}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 36095673600

約数和(自身を除く): 17290865624

約数列:

[1, 2, 4, 8, 79, 158, 173, 293, 316, 346, 586, 587, 632, 692, 1172, 1174, 1384, 2344, 2348, 4696, 13667, 23147, 27334, 46294, 46373, 50689, 54668, 92588, 92746, 101378, 101551, 109336, 171991, 185176, 185492, 202756, 203102, 343982, 370984, 405512, 406204, 687964, 812408, 1375928, 4004431, 8008862, 8022529, 13587289, 16017724, 16045058, 27174578, 29754443, 32035448, 32090116, 54349156, 59508886, 64180232, 108698312, 119017772, 238035544, 2350600997, 4701201994, 9402403988, 18804807976]

約数ペア:

[(1, 18804807976), (2, 9402403988), (4, 4701201994), (8, 2350600997), (79, 238035544), (158, 119017772), (173, 108698312), (293, 64180232), (316, 59508886), (346, 54349156), (586, 32090116), (587, 32035448), (632, 29754443), (692, 27174578), (1172, 16045058), (1174, 16017724), (1384, 13587289), (2344, 8022529), (2348, 8008862), (4696, 4004431), (13667, 1375928), (23147, 812408), (27334, 687964), (46294, 406204), (46373, 405512), (50689, 370984), (54668, 343982), (92588, 203102), (92746, 202756), (101378, 185492), (101551, 185176), (109336, 171991)]