15205904

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 33950208

約数和(自身を除く): 18744304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 991, 1096, 1918, 1982, 2192, 3836, 3964, 6937, 7672, 7928, 13874, 15344, 15856, 27748, 55496, 110992, 135767, 271534, 543068, 950369, 1086136, 1900738, 2172272, 3801476, 7602952, 15205904]

約数ペア:

[(1, 15205904), (2, 7602952), (4, 3801476), (7, 2172272), (8, 1900738), (14, 1086136), (16, 950369), (28, 543068), (56, 271534), (112, 135767), (137, 110992), (274, 55496), (548, 27748), (959, 15856), (991, 15344), (1096, 13874), (1918, 7928), (1982, 7672), (2192, 6937), (3836, 3964)]