18895520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16871}}^1$

素因数の和:16893

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 32125408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16871, 33742, 67484, 84355, 118097, 134968, 168710, 236194, 269936, 337420, 472388, 539872, 590485, 674840, 944776, 1180970, 1349680, 1889552, 2361940, 2699360, 3779104, 4723880, 9447760, 18895520]

約数ペア:

[(1, 18895520), (2, 9447760), (4, 4723880), (5, 3779104), (7, 2699360), (8, 2361940), (10, 1889552), (14, 1349680), (16, 1180970), (20, 944776), (28, 674840), (32, 590485), (35, 539872), (40, 472388), (56, 337420), (70, 269936), (80, 236194), (112, 168710), (140, 134968), (160, 118097), (224, 84355), (280, 67484), (560, 33742), (1120, 16871)]