19245424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 41640192

約数和(自身を除く): 22394768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2543, 3784, 5086, 7568, 10172, 20344, 27973, 40688, 55946, 109349, 111892, 218698, 223784, 437396, 447568, 874792, 1202839, 1749584, 2405678, 4811356, 9622712, 19245424]

約数ペア:

[(1, 19245424), (2, 9622712), (4, 4811356), (8, 2405678), (11, 1749584), (16, 1202839), (22, 874792), (43, 447568), (44, 437396), (86, 223784), (88, 218698), (172, 111892), (176, 109349), (344, 55946), (473, 40688), (688, 27973), (946, 20344), (1892, 10172), (2543, 7568), (3784, 5086)]