19538259

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 28591920

約数和(自身を除く): 9053661

約数列:

[1, 3, 13, 39, 89, 169, 267, 433, 507, 1157, 1299, 3471, 5629, 15041, 16887, 38537, 45123, 73177, 115611, 219531, 500981, 1502943, 6512753, 19538259]

約数ペア:

[(1, 19538259), (3, 6512753), (13, 1502943), (39, 500981), (89, 219531), (169, 115611), (267, 73177), (433, 45123), (507, 38537), (1157, 16887), (1299, 15041), (3471, 5629)]