19338722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 33118848

約数和(自身を除く): 13780126

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 443, 598, 886, 949, 1679, 1898, 3358, 5759, 10189, 11518, 20378, 21827, 32339, 43654, 64678, 132457, 264914, 420407, 743797, 840814, 1487594, 9669361, 19338722]

約数ペア:

[(1, 19338722), (2, 9669361), (13, 1487594), (23, 840814), (26, 743797), (46, 420407), (73, 264914), (146, 132457), (299, 64678), (443, 43654), (598, 32339), (886, 21827), (949, 20378), (1679, 11518), (1898, 10189), (3358, 5759)]