17688580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9719}}^1$

素因数の和:9748

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 28034300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9719, 19438, 38876, 48595, 68033, 97190, 126347, 136066, 194380, 252694, 272132, 340165, 505388, 631735, 680330, 884429, 1263470, 1360660, 1768858, 2526940, 3537716, 4422145, 8844290, 17688580]

約数ペア:

[(1, 17688580), (2, 8844290), (4, 4422145), (5, 3537716), (7, 2526940), (10, 1768858), (13, 1360660), (14, 1263470), (20, 884429), (26, 680330), (28, 631735), (35, 505388), (52, 340165), (65, 272132), (70, 252694), (91, 194380), (130, 136066), (140, 126347), (182, 97190), (260, 68033), (364, 48595), (455, 38876), (910, 19438), (1820, 9719)]