19492556

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13499}}^1$

素因数の和:13541

約数の個数: 18

約数和(自身を含む): 36004500

約数和(自身を除く): 16511944

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13499, 26998, 53996, 256481, 512962, 1025924, 4873139, 9746278, 19492556]

約数ペア:

[(1, 19492556), (2, 9746278), (4, 4873139), (19, 1025924), (38, 512962), (76, 256481), (361, 53996), (722, 26998), (1444, 13499)]