19498570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3095

約数の個数: 48

約数和(自身を含む): 43982568

約数和(自身を除く): 24483998

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3061, 3185, 6122, 6370, 15305, 21427, 30610, 39793, 42854, 79586, 107135, 149989, 198965, 214270, 278551, 299978, 397930, 557102, 749945, 1392755, 1499890, 1949857, 2785510, 3899714, 9749285, 19498570]

約数ペア:

[(1, 19498570), (2, 9749285), (5, 3899714), (7, 2785510), (10, 1949857), (13, 1499890), (14, 1392755), (26, 749945), (35, 557102), (49, 397930), (65, 299978), (70, 278551), (91, 214270), (98, 198965), (130, 149989), (182, 107135), (245, 79586), (455, 42854), (490, 39793), (637, 30610), (910, 21427), (1274, 15305), (3061, 6370), (3185, 6122)]