19947074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18760126

約数列:

[1, 2, 7, 14, 19, 31, 38, 41, 59, 62, 82, 118, 133, 217, 266, 287, 413, 434, 574, 589, 779, 826, 1121, 1178, 1271, 1558, 1829, 2242, 2419, 2542, 3658, 4123, 4838, 5453, 7847, 8246, 8897, 10906, 12803, 15694, 16933, 17794, 24149, 25606, 33866, 34751, 45961, 48298, 69502, 74989, 91922, 149978, 169043, 243257, 321727, 338086, 486514, 524923, 643454, 1049846, 1424791, 2849582, 9973537, 19947074]

約数ペア:

[(1, 19947074), (2, 9973537), (7, 2849582), (14, 1424791), (19, 1049846), (31, 643454), (38, 524923), (41, 486514), (59, 338086), (62, 321727), (82, 243257), (118, 169043), (133, 149978), (217, 91922), (266, 74989), (287, 69502), (413, 48298), (434, 45961), (574, 34751), (589, 33866), (779, 25606), (826, 24149), (1121, 17794), (1178, 16933), (1271, 15694), (1558, 12803), (1829, 10906), (2242, 8897), (2419, 8246), (2542, 7847), (3658, 5453), (4123, 4838)]