19002945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 17123775

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 223, 247, 285, 299, 345, 437, 669, 741, 897, 1115, 1235, 1311, 1495, 2185, 2899, 3345, 3705, 4237, 4485, 5129, 5681, 6555, 8697, 12711, 14495, 15387, 17043, 21185, 25645, 28405, 43485, 55081, 63555, 66677, 76935, 85215, 97451, 165243, 200031, 275405, 292353, 333385, 487255, 826215, 1000155, 1266863, 1461765, 3800589, 6334315, 19002945]

約数ペア:

[(1, 19002945), (3, 6334315), (5, 3800589), (13, 1461765), (15, 1266863), (19, 1000155), (23, 826215), (39, 487255), (57, 333385), (65, 292353), (69, 275405), (95, 200031), (115, 165243), (195, 97451), (223, 85215), (247, 76935), (285, 66677), (299, 63555), (345, 55081), (437, 43485), (669, 28405), (741, 25645), (897, 21185), (1115, 17043), (1235, 15387), (1311, 14495), (1495, 12711), (2185, 8697), (2899, 6555), (3345, 5681), (3705, 5129), (4237, 4485)]