18934221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4651}}^1$

素因数の和:4736

約数の個数: 16

約数和(自身を含む): 26795520

約数和(自身を除く): 7861299

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 4651, 13953, 106973, 274409, 320919, 823227, 6311407, 18934221]

約数ペア:

[(1, 18934221), (3, 6311407), (23, 823227), (59, 320919), (69, 274409), (177, 106973), (1357, 13953), (4071, 4651)]