19078928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 41280096

約数和(自身を除く): 22201168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2521, 3784, 5042, 7568, 10084, 20168, 27731, 40336, 55462, 108403, 110924, 216806, 221848, 433612, 443696, 867224, 1192433, 1734448, 2384866, 4769732, 9539464, 19078928]

約数ペア:

[(1, 19078928), (2, 9539464), (4, 4769732), (8, 2384866), (11, 1734448), (16, 1192433), (22, 867224), (43, 443696), (44, 433612), (86, 221848), (88, 216806), (172, 110924), (176, 108403), (344, 55462), (473, 40336), (688, 27731), (946, 20168), (1892, 10084), (2521, 7568), (3784, 5042)]