18901653

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4643}}^1$

素因数の和:4728

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 7847787

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 4643, 13929, 106789, 273937, 320367, 821811, 6300551, 18901653]

約数ペア:

[(1, 18901653), (3, 6300551), (23, 821811), (59, 320367), (69, 273937), (177, 106789), (1357, 13929), (4071, 4643)]