18985470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{90407}}^1$

素因数の和:90424

約数の個数: 32

約数和(自身を含む): 52075008

約数和(自身を除く): 33089538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 90407, 180814, 271221, 452035, 542442, 632849, 904070, 1265698, 1356105, 1898547, 2712210, 3164245, 3797094, 6328490, 9492735, 18985470]

約数ペア:

[(1, 18985470), (2, 9492735), (3, 6328490), (5, 3797094), (6, 3164245), (7, 2712210), (10, 1898547), (14, 1356105), (15, 1265698), (21, 904070), (30, 632849), (35, 542442), (42, 452035), (70, 271221), (105, 180814), (210, 90407)]