19713069

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 30101760

約数和(自身を除く): 10388691

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 1607, 4089, 4821, 12267, 14463, 46603, 75529, 139809, 226587, 419427, 679761, 2190341, 6571023, 19713069]

約数ペア:

[(1, 19713069), (3, 6571023), (9, 2190341), (29, 679761), (47, 419427), (87, 226587), (141, 139809), (261, 75529), (423, 46603), (1363, 14463), (1607, 12267), (4089, 4821)]