19649259

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5113}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 32975072

約数和(自身を除く): 13325813

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5113, 15339, 35791, 46017, 107373, 311893, 322119, 935679, 2183251, 2807037, 6549753, 19649259]

約数ペア:

[(1, 19649259), (3, 6549753), (7, 2807037), (9, 2183251), (21, 935679), (61, 322119), (63, 311893), (183, 107373), (427, 46017), (549, 35791), (1281, 15339), (3843, 5113)]