19751739

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 32426496

約数和(自身を除く): 12674757

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 907, 1037, 1281, 2721, 3111, 6349, 7259, 15419, 19047, 21777, 46257, 55327, 107933, 165981, 323799, 387289, 940559, 1161867, 2821677, 6583913, 19751739]

約数ペア:

[(1, 19751739), (3, 6583913), (7, 2821677), (17, 1161867), (21, 940559), (51, 387289), (61, 323799), (119, 165981), (183, 107933), (357, 55327), (427, 46257), (907, 21777), (1037, 19047), (1281, 15419), (2721, 7259), (3111, 6349)]