19354556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28631}}^1$

素因数の和:28661

約数の個数: 18

約数和(自身を含む): 36677592

約数和(自身を除く): 17323036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28631, 57262, 114524, 372203, 744406, 1488812, 4838639, 9677278, 19354556]

約数ペア:

[(1, 19354556), (2, 9677278), (4, 4838639), (13, 1488812), (26, 744406), (52, 372203), (169, 114524), (338, 57262), (676, 28631)]