19109510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 40752720

約数和(自身を除く): 21643210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 661, 826, 1322, 2065, 2891, 3305, 4130, 4627, 5782, 6610, 9254, 14455, 23135, 28910, 32389, 38999, 46270, 64778, 77998, 161945, 194995, 272993, 323890, 389990, 545986, 1364965, 1910951, 2729930, 3821902, 9554755, 19109510]

約数ペア:

[(1, 19109510), (2, 9554755), (5, 3821902), (7, 2729930), (10, 1910951), (14, 1364965), (35, 545986), (49, 389990), (59, 323890), (70, 272993), (98, 194995), (118, 161945), (245, 77998), (295, 64778), (413, 46270), (490, 38999), (590, 32389), (661, 28910), (826, 23135), (1322, 14455), (2065, 9254), (2891, 6610), (3305, 5782), (4130, 4627)]