19847212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64439}}^1$

素因数の和:64461

約数の個数: 24

約数和(自身を含む): 43303680

約数和(自身を除く): 23456468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64439, 128878, 257756, 451073, 708829, 902146, 1417658, 1804292, 2835316, 4961803, 9923606, 19847212]

約数ペア:

[(1, 19847212), (2, 9923606), (4, 4961803), (7, 2835316), (11, 1804292), (14, 1417658), (22, 902146), (28, 708829), (44, 451073), (77, 257756), (154, 128878), (308, 64439)]