19997627

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 3371845

約数列:

[1, 13, 17, 41, 221, 533, 697, 2207, 9061, 28691, 37519, 90487, 487747, 1176331, 1538279, 19997627]

約数ペア:

[(1, 19997627), (13, 1538279), (17, 1176331), (41, 487747), (221, 90487), (533, 37519), (697, 28691), (2207, 9061)]