20194454

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 38131200

約数和(自身を除く): 17936746

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 79, 133, 158, 217, 266, 434, 553, 589, 961, 1106, 1178, 1501, 1922, 2449, 3002, 4123, 4898, 6727, 8246, 10507, 13454, 17143, 18259, 21014, 34286, 36518, 46531, 75919, 93062, 127813, 151838, 255626, 325717, 531433, 651434, 1062866, 1442461, 2884922, 10097227, 20194454]

約数ペア:

[(1, 20194454), (2, 10097227), (7, 2884922), (14, 1442461), (19, 1062866), (31, 651434), (38, 531433), (62, 325717), (79, 255626), (133, 151838), (158, 127813), (217, 93062), (266, 75919), (434, 46531), (553, 36518), (589, 34286), (961, 21014), (1106, 18259), (1178, 17143), (1501, 13454), (1922, 10507), (2449, 8246), (3002, 6727), (4123, 4898)]