19904030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42349}}^1$

素因数の和:42403

約数の個数: 16

約数和(自身を含む): 36590400

約数和(自身を除く): 16686370

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42349, 84698, 211745, 423490, 1990403, 3980806, 9952015, 19904030]

約数ペア:

[(1, 19904030), (2, 9952015), (5, 3980806), (10, 1990403), (47, 423490), (94, 211745), (235, 84698), (470, 42349)]