19371495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 36733536

約数和(自身を除く): 17362041

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 821, 1573, 1815, 2145, 2463, 4105, 4719, 7865, 9031, 10673, 12315, 23595, 27093, 32019, 45155, 53365, 99341, 117403, 135465, 160095, 298023, 352209, 496705, 587015, 1291433, 1490115, 1761045, 3874299, 6457165, 19371495]

約数ペア:

[(1, 19371495), (3, 6457165), (5, 3874299), (11, 1761045), (13, 1490115), (15, 1291433), (33, 587015), (39, 496705), (55, 352209), (65, 298023), (121, 160095), (143, 135465), (165, 117403), (195, 99341), (363, 53365), (429, 45155), (605, 32019), (715, 27093), (821, 23595), (1573, 12315), (1815, 10673), (2145, 9031), (2463, 7865), (4105, 4719)]