18467932707

素因数分解:

$3^2\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{221909}}^1$

素因数の和:223243

約数の個数: 24

約数和(自身を含む): 30509962080

約数和(自身を除く): 12042029373

約数列:

[1, 3, 7, 9, 21, 63, 1321, 3963, 9247, 11889, 27741, 83223, 221909, 665727, 1553363, 1997181, 4660089, 13980267, 293141789, 879425367, 2051992523, 2638276101, 6155977569, 18467932707]

約数ペア:

[(1, 18467932707), (3, 6155977569), (7, 2638276101), (9, 2051992523), (21, 879425367), (63, 293141789), (1321, 13980267), (3963, 4660089), (9247, 1997181), (11889, 1553363), (27741, 665727), (83223, 221909)]