18866458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15439}}^1$

素因数の和:15501

約数の個数: 16

約数和(自身を含む): 31127040

約数和(自身を除く): 12260582

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15439, 30878, 200707, 401414, 725633, 1451266, 9433229, 18866458]

約数ペア:

[(1, 18866458), (2, 9433229), (13, 1451266), (26, 725633), (47, 401414), (94, 200707), (611, 30878), (1222, 15439)]