19493903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5927}}^1$

素因数の和:5974

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 4407793

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 5927, 65197, 77051, 136321, 847561, 1499531, 1772173, 19493903]

約数ペア:

[(1, 19493903), (11, 1772173), (13, 1499531), (23, 847561), (143, 136321), (253, 77051), (299, 65197), (3289, 5927)]