18901598978

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{2473}}^1\times {\mathrm{19801}}^1$

素因数の和:22469

約数の個数: 16

約数和(自身を含む): 28512266136

約数和(自身を除く): 9610667158

約数列:

[1, 2, 193, 386, 2473, 4946, 19801, 39602, 477289, 954578, 3821593, 7643186, 48967873, 97935746, 9450799489, 18901598978]

約数ペア:

[(1, 18901598978), (2, 9450799489), (193, 97935746), (386, 48967873), (2473, 7643186), (4946, 3821593), (19801, 954578), (39602, 477289)]