19726884

素因数分解:

$2^2\times 3^2\times {\mathrm{661}}^1\times {\mathrm{829}}^1$

素因数の和:1500

約数の個数: 36

約数和(自身を含む): 50000860

約数和(自身を除く): 30273976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 661, 829, 1322, 1658, 1983, 2487, 2644, 3316, 3966, 4974, 5949, 7461, 7932, 9948, 11898, 14922, 23796, 29844, 547969, 1095938, 1643907, 2191876, 3287814, 4931721, 6575628, 9863442, 19726884]

約数ペア:

[(1, 19726884), (2, 9863442), (3, 6575628), (4, 4931721), (6, 3287814), (9, 2191876), (12, 1643907), (18, 1095938), (36, 547969), (661, 29844), (829, 23796), (1322, 14922), (1658, 11898), (1983, 9948), (2487, 7932), (2644, 7461), (3316, 5949), (3966, 4974)]