18980493553371

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1840800461}}^1$

素因数の和:1840800962

約数の個数: 16

約数和(自身を含む): 28981562473728

約数和(自身を除く): 10001068920357

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 10311, 1840800461, 5522401383, 12885603227, 38656809681, 903833026351, 2711499079053, 6326831184457, 18980493553371]

約数ペア:

[(1, 18980493553371), (3, 6326831184457), (7, 2711499079053), (21, 903833026351), (491, 38656809681), (1473, 12885603227), (3437, 5522401383), (10311, 1840800461)]