18837925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 24442880

約数和(自身を除く): 5604955

約数列:

[1, 5, 25, 31, 109, 155, 223, 545, 775, 1115, 2725, 3379, 5575, 6913, 16895, 24307, 34565, 84475, 121535, 172825, 607675, 753517, 3767585, 18837925]

約数ペア:

[(1, 18837925), (5, 3767585), (25, 753517), (31, 607675), (109, 172825), (155, 121535), (223, 84475), (545, 34565), (775, 24307), (1115, 16895), (2725, 6913), (3379, 5575)]