19608988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 45158400

約数和(自身を除く): 25549412

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 31, 38, 41, 58, 62, 76, 82, 116, 124, 133, 164, 203, 217, 266, 287, 406, 434, 532, 551, 574, 589, 779, 812, 868, 899, 1102, 1148, 1178, 1189, 1271, 1558, 1798, 2204, 2356, 2378, 2542, 3116, 3596, 3857, 4123, 4756, 5084, 5453, 6293, 7714, 8246, 8323, 8897, 10906, 12586, 15428, 16492, 16646, 17081, 17794, 21812, 22591, 24149, 25172, 33292, 34162, 35588, 36859, 45182, 48298, 68324, 73718, 90364, 96596, 119567, 147436, 158137, 169043, 239134, 258013, 316274, 338086, 478268, 516026, 632548, 676172, 700321, 1032052, 1400642, 2801284, 4902247, 9804494, 19608988]

約数ペア:

[(1, 19608988), (2, 9804494), (4, 4902247), (7, 2801284), (14, 1400642), (19, 1032052), (28, 700321), (29, 676172), (31, 632548), (38, 516026), (41, 478268), (58, 338086), (62, 316274), (76, 258013), (82, 239134), (116, 169043), (124, 158137), (133, 147436), (164, 119567), (203, 96596), (217, 90364), (266, 73718), (287, 68324), (406, 48298), (434, 45182), (532, 36859), (551, 35588), (574, 34162), (589, 33292), (779, 25172), (812, 24149), (868, 22591), (899, 21812), (1102, 17794), (1148, 17081), (1178, 16646), (1189, 16492), (1271, 15428), (1558, 12586), (1798, 10906), (2204, 8897), (2356, 8323), (2378, 8246), (2542, 7714), (3116, 6293), (3596, 5453), (3857, 5084), (4123, 4756)]