18957974

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13147}}^1$

素因数の和:13259

約数の個数: 16

約数和(自身を含む): 32817408

約数和(自身を除く): 13859434

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 13147, 26294, 92029, 184058, 1354141, 2708282, 9478987, 18957974]

約数ペア:

[(1, 18957974), (2, 9478987), (7, 2708282), (14, 1354141), (103, 184058), (206, 92029), (721, 26294), (1442, 13147)]