19879552

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2017}}^1$

素因数の和:2049

約数の個数: 64

約数和(自身を含む): 49400640

約数和(自身を除く): 29521088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2017, 2464, 4034, 4928, 8068, 9856, 14119, 16136, 22187, 28238, 32272, 44374, 56476, 64544, 88748, 112952, 129088, 155309, 177496, 225904, 258176, 310618, 354992, 451808, 621236, 709984, 903616, 1242472, 1419968, 1807232, 2484944, 2839936, 4969888, 9939776, 19879552]

約数ペア:

[(1, 19879552), (2, 9939776), (4, 4969888), (7, 2839936), (8, 2484944), (11, 1807232), (14, 1419968), (16, 1242472), (22, 903616), (28, 709984), (32, 621236), (44, 451808), (56, 354992), (64, 310618), (77, 258176), (88, 225904), (112, 177496), (128, 155309), (154, 129088), (176, 112952), (224, 88748), (308, 64544), (352, 56476), (448, 44374), (616, 32272), (704, 28238), (896, 22187), (1232, 16136), (1408, 14119), (2017, 9856), (2464, 8068), (4034, 4928)]