19749135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 36421632

約数和(自身を除く): 16672497

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1481, 1905, 2667, 4443, 4445, 7405, 10367, 13335, 22215, 31101, 51835, 155505, 188087, 564261, 940435, 1316609, 2821305, 3949827, 6583045, 19749135]

約数ペア:

[(1, 19749135), (3, 6583045), (5, 3949827), (7, 2821305), (15, 1316609), (21, 940435), (35, 564261), (105, 188087), (127, 155505), (381, 51835), (635, 31101), (889, 22215), (1481, 13335), (1905, 10367), (2667, 7405), (4443, 4445)]