18420567

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9461}}^1$

素因数の和:9534

約数の個数: 16

約数和(自身を含む): 27250560

約数和(自身を除く): 8829993

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 9461, 28383, 104071, 312213, 558199, 1674597, 6140189, 18420567]

約数ペア:

[(1, 18420567), (3, 6140189), (11, 1674597), (33, 558199), (59, 312213), (177, 104071), (649, 28383), (1947, 9461)]