19729630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{85781}}^1$

素因数の和:85811

約数の個数: 16

約数和(自身を含む): 37057824

約数和(自身を除く): 17328194

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 85781, 171562, 428905, 857810, 1972963, 3945926, 9864815, 19729630]

約数ペア:

[(1, 19729630), (2, 9864815), (5, 3945926), (10, 1972963), (23, 857810), (46, 428905), (115, 171562), (230, 85781)]