18207385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 26191872

約数和(自身を除く): 7984487

約数列:

[1, 5, 7, 31, 35, 97, 155, 173, 217, 485, 679, 865, 1085, 1211, 3007, 3395, 5363, 6055, 15035, 16781, 21049, 26815, 37541, 83905, 105245, 117467, 187705, 520211, 587335, 2601055, 3641477, 18207385]

約数ペア:

[(1, 18207385), (5, 3641477), (7, 2601055), (31, 587335), (35, 520211), (97, 187705), (155, 117467), (173, 105245), (217, 83905), (485, 37541), (679, 26815), (865, 21049), (1085, 16781), (1211, 15035), (3007, 6055), (3395, 5363)]