19827176

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 18508504

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 521, 536, 568, 1042, 2084, 4168, 4757, 9514, 19028, 34907, 36991, 38056, 69814, 73982, 139628, 147964, 279256, 295928, 2478397, 4956794, 9913588, 19827176]

約数ペア:

[(1, 19827176), (2, 9913588), (4, 4956794), (8, 2478397), (67, 295928), (71, 279256), (134, 147964), (142, 139628), (268, 73982), (284, 69814), (521, 38056), (536, 36991), (568, 34907), (1042, 19028), (2084, 9514), (4168, 4757)]