19878306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473293}}^1$

素因数の和:473305

約数の個数: 16

約数和(自身を含む): 45436224

約数和(自身を除く): 25557918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473293, 946586, 1419879, 2839758, 3313051, 6626102, 9939153, 19878306]

約数ペア:

[(1, 19878306), (2, 9939153), (3, 6626102), (6, 3313051), (7, 2839758), (14, 1419879), (21, 946586), (42, 473293)]