19517743

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 23220736

約数和(自身を除く): 3702993

約数列:

[1, 7, 43, 61, 301, 427, 1063, 2623, 7441, 18361, 45709, 64843, 319963, 453901, 2788249, 19517743]

約数ペア:

[(1, 19517743), (7, 2788249), (43, 453901), (61, 319963), (301, 64843), (427, 45709), (1063, 18361), (2623, 7441)]