19440070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11503}}^1$

素因数の和:11536

約数の個数: 24

約数和(自身を含む): 37894176

約数和(自身を除く): 18454106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11503, 23006, 57515, 115030, 149539, 299078, 747695, 1495390, 1944007, 3888014, 9720035, 19440070]

約数ペア:

[(1, 19440070), (2, 9720035), (5, 3888014), (10, 1944007), (13, 1495390), (26, 747695), (65, 299078), (130, 149539), (169, 115030), (338, 57515), (845, 23006), (1690, 11503)]