19365136

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4079

約数の個数: 40

約数和(自身を含む): 43888064

約数和(自身を除く): 24522928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4021, 4816, 8042, 16084, 28147, 32168, 56294, 64336, 112588, 172903, 225176, 345806, 450352, 691612, 1210321, 1383224, 2420642, 2766448, 4841284, 9682568, 19365136]

約数ペア:

[(1, 19365136), (2, 9682568), (4, 4841284), (7, 2766448), (8, 2420642), (14, 1383224), (16, 1210321), (28, 691612), (43, 450352), (56, 345806), (86, 225176), (112, 172903), (172, 112588), (301, 64336), (344, 56294), (602, 32168), (688, 28147), (1204, 16084), (2408, 8042), (4021, 4816)]