19938282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 50297184

約数和(自身を除く): 30358902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 169, 182, 273, 318, 338, 371, 507, 546, 689, 742, 1014, 1113, 1183, 1378, 2067, 2226, 2366, 2809, 3549, 4134, 4823, 5618, 7098, 8427, 8957, 9646, 14469, 16854, 17914, 19663, 26871, 28938, 36517, 39326, 53742, 58989, 62699, 73034, 109551, 117978, 125398, 188097, 219102, 255619, 376194, 474721, 511238, 766857, 949442, 1424163, 1533714, 2848326, 3323047, 6646094, 9969141, 19938282]

約数ペア:

[(1, 19938282), (2, 9969141), (3, 6646094), (6, 3323047), (7, 2848326), (13, 1533714), (14, 1424163), (21, 949442), (26, 766857), (39, 511238), (42, 474721), (53, 376194), (78, 255619), (91, 219102), (106, 188097), (159, 125398), (169, 117978), (182, 109551), (273, 73034), (318, 62699), (338, 58989), (371, 53742), (507, 39326), (546, 36517), (689, 28938), (742, 26871), (1014, 19663), (1113, 17914), (1183, 16854), (1378, 14469), (2067, 9646), (2226, 8957), (2366, 8427), (2809, 7098), (3549, 5618), (4134, 4823)]