19982214

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 80

約数和(自身を含む): 52132608

約数和(自身を除く): 32150394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 81, 126, 134, 162, 189, 201, 263, 378, 402, 469, 526, 567, 603, 789, 938, 1134, 1206, 1407, 1578, 1809, 1841, 2367, 2814, 3618, 3682, 4221, 4734, 5427, 5523, 7101, 8442, 10854, 11046, 12663, 14202, 16569, 17621, 21303, 25326, 33138, 35242, 37989, 42606, 49707, 52863, 75978, 99414, 105726, 123347, 149121, 158589, 246694, 298242, 317178, 370041, 475767, 740082, 951534, 1110123, 1427301, 2220246, 2854602, 3330369, 6660738, 9991107, 19982214]

約数ペア:

[(1, 19982214), (2, 9991107), (3, 6660738), (6, 3330369), (7, 2854602), (9, 2220246), (14, 1427301), (18, 1110123), (21, 951534), (27, 740082), (42, 475767), (54, 370041), (63, 317178), (67, 298242), (81, 246694), (126, 158589), (134, 149121), (162, 123347), (189, 105726), (201, 99414), (263, 75978), (378, 52863), (402, 49707), (469, 42606), (526, 37989), (567, 35242), (603, 33138), (789, 25326), (938, 21303), (1134, 17621), (1206, 16569), (1407, 14202), (1578, 12663), (1809, 11046), (1841, 10854), (2367, 8442), (2814, 7101), (3618, 5523), (3682, 5427), (4221, 4734)]