18743894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42407}}^1$

素因数の和:42439

約数の個数: 16

約数和(自身を含む): 32060448

約数和(自身を除く): 13316554

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42407, 84814, 551291, 720919, 1102582, 1441838, 9371947, 18743894]

約数ペア:

[(1, 18743894), (2, 9371947), (13, 1441838), (17, 1102582), (26, 720919), (34, 551291), (221, 84814), (442, 42407)]