19962644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5407}}^1$

素因数の和:5495

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 18196204

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5407, 10814, 21628, 70291, 140582, 281164, 383897, 767794, 1535588, 4990661, 9981322, 19962644]

約数ペア:

[(1, 19962644), (2, 9981322), (4, 4990661), (13, 1535588), (26, 767794), (52, 383897), (71, 281164), (142, 140582), (284, 70291), (923, 21628), (1846, 10814), (3692, 5407)]