18728774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{661}}^1$

素因数の和:1151

約数の個数: 16

約数和(自身を含む): 29106816

約数和(自身を除く): 10378042

約数列:

[1, 2, 31, 62, 457, 661, 914, 1322, 14167, 20491, 28334, 40982, 302077, 604154, 9364387, 18728774]

約数ペア:

[(1, 18728774), (2, 9364387), (31, 604154), (62, 302077), (457, 40982), (661, 28334), (914, 20491), (1322, 14167)]