19764038

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61379}}^1$

素因数の和:61411

約数の個数: 16

約数和(自身を含む): 35354880

約数和(自身を除く): 15590842

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61379, 122758, 429653, 859306, 1411717, 2823434, 9882019, 19764038]

約数ペア:

[(1, 19764038), (2, 9882019), (7, 2823434), (14, 1411717), (23, 859306), (46, 429653), (161, 122758), (322, 61379)]