19997868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151499}}^1$

素因数の和:151517

約数の個数: 24

約数和(自身を含む): 50904000

約数和(自身を除く): 30906132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 151499, 302998, 454497, 605996, 908994, 1666489, 1817988, 3332978, 4999467, 6665956, 9998934, 19997868]

約数ペア:

[(1, 19997868), (2, 9998934), (3, 6665956), (4, 4999467), (6, 3332978), (11, 1817988), (12, 1666489), (22, 908994), (33, 605996), (44, 454497), (66, 302998), (132, 151499)]