2018897968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 4234550400

約数和(自身を除く): 2215652432

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 271, 272, 449, 488, 542, 898, 976, 1037, 1084, 1796, 2074, 2168, 3592, 4148, 4336, 4607, 7184, 7633, 8296, 9214, 15266, 16531, 16592, 18428, 27389, 30532, 33062, 36856, 54778, 61064, 66124, 73712, 109556, 121679, 122128, 132248, 219112, 243358, 264496, 281027, 438224, 465613, 486716, 562054, 931226, 973432, 1124108, 1862452, 1946864, 2068543, 2248216, 3724904, 4137086, 4496432, 7422419, 7449808, 8274172, 14844838, 16548344, 29689676, 33096688, 59379352, 118758704, 126181123, 252362246, 504724492, 1009448984, 2018897968]

約数ペア:

[(1, 2018897968), (2, 1009448984), (4, 504724492), (8, 252362246), (16, 126181123), (17, 118758704), (34, 59379352), (61, 33096688), (68, 29689676), (122, 16548344), (136, 14844838), (244, 8274172), (271, 7449808), (272, 7422419), (449, 4496432), (488, 4137086), (542, 3724904), (898, 2248216), (976, 2068543), (1037, 1946864), (1084, 1862452), (1796, 1124108), (2074, 973432), (2168, 931226), (3592, 562054), (4148, 486716), (4336, 465613), (4607, 438224), (7184, 281027), (7633, 264496), (8296, 243358), (9214, 219112), (15266, 132248), (16531, 122128), (16592, 121679), (18428, 109556), (27389, 73712), (30532, 66124), (33062, 61064), (36856, 54778)]