2018189864

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{158563}}^1$

素因数の和:158649

約数の個数: 32

約数和(自身を含む): 3976785120

約数和(自身を除く): 1958595256

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364, 12728, 158563, 317126, 634252, 1268504, 5866831, 6818209, 11733662, 13636418, 23467324, 27272836, 46934648, 54545672, 252273733, 504547466, 1009094932, 2018189864]

約数ペア:

[(1, 2018189864), (2, 1009094932), (4, 504547466), (8, 252273733), (37, 54545672), (43, 46934648), (74, 27272836), (86, 23467324), (148, 13636418), (172, 11733662), (296, 6818209), (344, 5866831), (1591, 1268504), (3182, 634252), (6364, 317126), (12728, 158563)]