18128517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9311}}^1$

素因数の和:9384

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 8690043

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 9311, 27933, 102421, 307263, 549349, 1648047, 6042839, 18128517]

約数ペア:

[(1, 18128517), (3, 6042839), (11, 1648047), (33, 549349), (59, 307263), (177, 102421), (649, 27933), (1947, 9311)]