19805716

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2137}}^1$

素因数の和:2479

約数の個数: 24

約数和(自身を含む): 39749696

約数和(自身を除く): 19943980

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2137, 2317, 4274, 4634, 8548, 9268, 14959, 29918, 59836, 707347, 1414694, 2829388, 4951429, 9902858, 19805716]

約数ペア:

[(1, 19805716), (2, 9902858), (4, 4951429), (7, 2829388), (14, 1414694), (28, 707347), (331, 59836), (662, 29918), (1324, 14959), (2137, 9268), (2317, 8548), (4274, 4634)]