19319733

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 18

約数和(自身を含む): 28625922

約数和(自身を除く): 9306189

約数列:

[1, 3, 9, 41, 123, 369, 1277, 1681, 3831, 5043, 11493, 15129, 52357, 157071, 471213, 2146637, 6439911, 19319733]

約数ペア:

[(1, 19319733), (3, 6439911), (9, 2146637), (41, 471213), (123, 157071), (369, 52357), (1277, 15129), (1681, 11493), (3831, 5043)]