19967404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11423}}^1$

素因数の和:11469

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 18417236

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11423, 22846, 45692, 217037, 262729, 434074, 525458, 868148, 1050916, 4991851, 9983702, 19967404]

約数ペア:

[(1, 19967404), (2, 9983702), (4, 4991851), (19, 1050916), (23, 868148), (38, 525458), (46, 434074), (76, 262729), (92, 217037), (437, 45692), (874, 22846), (1748, 11423)]