19926544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 43113312

約数和(自身を除く): 23186768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2633, 3784, 5266, 7568, 10532, 21064, 28963, 42128, 57926, 113219, 115852, 226438, 231704, 452876, 463408, 905752, 1245409, 1811504, 2490818, 4981636, 9963272, 19926544]

約数ペア:

[(1, 19926544), (2, 9963272), (4, 4981636), (8, 2490818), (11, 1811504), (16, 1245409), (22, 905752), (43, 463408), (44, 452876), (86, 231704), (88, 226438), (172, 115852), (176, 113219), (344, 57926), (473, 42128), (688, 28963), (946, 21064), (1892, 10532), (2633, 7568), (3784, 5266)]