19635978

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 40237056

約数和(自身を除く): 20601078

約数列:

[1, 2, 3, 6, 73, 127, 146, 219, 254, 353, 381, 438, 706, 762, 1059, 2118, 9271, 18542, 25769, 27813, 44831, 51538, 55626, 77307, 89662, 134493, 154614, 268986, 3272663, 6545326, 9817989, 19635978]

約数ペア:

[(1, 19635978), (2, 9817989), (3, 6545326), (6, 3272663), (73, 268986), (127, 154614), (146, 134493), (219, 89662), (254, 77307), (353, 55626), (381, 51538), (438, 44831), (706, 27813), (762, 25769), (1059, 18542), (2118, 9271)]