19090743

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 30109680

約数和(自身を除く): 11018937

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2129, 2989, 6387, 8967, 14903, 44709, 104321, 129869, 312963, 389607, 909083, 2727249, 6363581, 19090743]

約数ペア:

[(1, 19090743), (3, 6363581), (7, 2727249), (21, 909083), (49, 389607), (61, 312963), (147, 129869), (183, 104321), (427, 44709), (1281, 14903), (2129, 8967), (2989, 6387)]