18947576

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 37028880

約数和(自身を除く): 18081304

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 947, 1894, 2501, 3788, 5002, 7576, 10004, 20008, 38827, 57767, 77654, 115534, 155308, 231068, 310616, 462136, 2368447, 4736894, 9473788, 18947576]

約数ペア:

[(1, 18947576), (2, 9473788), (4, 4736894), (8, 2368447), (41, 462136), (61, 310616), (82, 231068), (122, 155308), (164, 115534), (244, 77654), (328, 57767), (488, 38827), (947, 20008), (1894, 10004), (2501, 7576), (3788, 5002)]