19996856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1019}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 21129544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 1019, 1784, 2038, 2453, 4076, 4906, 8152, 9812, 11209, 19624, 22418, 44836, 89672, 227237, 454474, 908948, 1817896, 2499607, 4999214, 9998428, 19996856]

約数ペア:

[(1, 19996856), (2, 9998428), (4, 4999214), (8, 2499607), (11, 1817896), (22, 908948), (44, 454474), (88, 227237), (223, 89672), (446, 44836), (892, 22418), (1019, 19624), (1784, 11209), (2038, 9812), (2453, 8152), (4076, 4906)]