19787337

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5623}}^1$

素因数の和:5669

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 11797047

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5623, 16869, 50607, 95591, 129329, 286773, 387987, 860319, 1163961, 2198593, 6595779, 19787337]

約数ペア:

[(1, 19787337), (3, 6595779), (9, 2198593), (17, 1163961), (23, 860319), (51, 387987), (69, 286773), (153, 129329), (207, 95591), (391, 50607), (1173, 16869), (3519, 5623)]