18443809820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1\times {\mathrm{21401}}^1$

素因数の和:22502

約数の個数: 48

約数和(自身を含む): 39716290656

約数和(自身を除く): 21272480836

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1051, 2102, 4204, 5255, 10510, 21020, 21401, 42802, 43091, 85604, 86182, 107005, 172364, 214010, 215455, 428020, 430910, 861820, 877441, 1754882, 3509764, 4387205, 8774410, 17548820, 22492451, 44984902, 89969804, 112462255, 224924510, 449849020, 922190491, 1844380982, 3688761964, 4610952455, 9221904910, 18443809820]

約数ペア:

[(1, 18443809820), (2, 9221904910), (4, 4610952455), (5, 3688761964), (10, 1844380982), (20, 922190491), (41, 449849020), (82, 224924510), (164, 112462255), (205, 89969804), (410, 44984902), (820, 22492451), (1051, 17548820), (2102, 8774410), (4204, 4387205), (5255, 3509764), (10510, 1754882), (21020, 877441), (21401, 861820), (42802, 430910), (43091, 428020), (85604, 215455), (86182, 214010), (107005, 172364)]