18947824

素因数分解:

$2^4\times 7^1\times {\mathrm{169177}}^1$

素因数の和:169192

約数の個数: 20

約数和(自身を含む): 41956144

約数和(自身を除く): 23008320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169177, 338354, 676708, 1184239, 1353416, 2368478, 2706832, 4736956, 9473912, 18947824]

約数ペア:

[(1, 18947824), (2, 9473912), (4, 4736956), (7, 2706832), (8, 2368478), (14, 1353416), (16, 1184239), (28, 676708), (56, 338354), (112, 169177)]