19781086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1151}}^1$

素因数の和:1827

約数の個数: 16

約数和(自身を含む): 32030208

約数和(自身を除く): 12249122

約数列:

[1, 2, 13, 26, 661, 1151, 1322, 2302, 8593, 14963, 17186, 29926, 760811, 1521622, 9890543, 19781086]

約数ペア:

[(1, 19781086), (2, 9890543), (13, 1521622), (26, 760811), (661, 29926), (1151, 17186), (1322, 14963), (2302, 8593)]