18427201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 2740799

約数列:

[1, 13, 17, 199, 221, 419, 2587, 3383, 5447, 7123, 43979, 83381, 92599, 1083953, 1417477, 18427201]

約数ペア:

[(1, 18427201), (13, 1417477), (17, 1083953), (199, 92599), (221, 83381), (419, 43979), (2587, 7123), (3383, 5447)]