19745530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 42107040

約数和(自身を除く): 22361510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 683, 826, 1366, 2065, 2891, 3415, 4130, 4781, 5782, 6830, 9562, 14455, 23905, 28910, 33467, 40297, 47810, 66934, 80594, 167335, 201485, 282079, 334670, 402970, 564158, 1410395, 1974553, 2820790, 3949106, 9872765, 19745530]

約数ペア:

[(1, 19745530), (2, 9872765), (5, 3949106), (7, 2820790), (10, 1974553), (14, 1410395), (35, 564158), (49, 402970), (59, 334670), (70, 282079), (98, 201485), (118, 167335), (245, 80594), (295, 66934), (413, 47810), (490, 40297), (590, 33467), (683, 28910), (826, 23905), (1366, 14455), (2065, 9562), (2891, 6830), (3415, 5782), (4130, 4781)]