17239916

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{11939}}^1$

素因数の和:11981

約数の個数: 18

約数和(自身を含む): 31843980

約数和(自身を除く): 14604064

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 11939, 23878, 47756, 226841, 453682, 907364, 4309979, 8619958, 17239916]

約数ペア:

[(1, 17239916), (2, 8619958), (4, 4309979), (19, 907364), (38, 453682), (76, 226841), (361, 47756), (722, 23878), (1444, 11939)]