19429930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11497}}^1$

素因数の和:11530

約数の個数: 24

約数和(自身を含む): 37874412

約数和(自身を除く): 18444482

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11497, 22994, 57485, 114970, 149461, 298922, 747305, 1494610, 1942993, 3885986, 9714965, 19429930]

約数ペア:

[(1, 19429930), (2, 9714965), (5, 3885986), (10, 1942993), (13, 1494610), (26, 747305), (65, 298922), (130, 149461), (169, 114970), (338, 57485), (845, 22994), (1690, 11497)]