19545736

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8173

約数の個数: 32

約数和(自身を含む): 42863040

約数和(自身を除く): 23317304

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8117, 16234, 32468, 56819, 64936, 113638, 227276, 349031, 454552, 698062, 1396124, 2443217, 2792248, 4886434, 9772868, 19545736]

約数ペア:

[(1, 19545736), (2, 9772868), (4, 4886434), (7, 2792248), (8, 2443217), (14, 1396124), (28, 698062), (43, 454552), (56, 349031), (86, 227276), (172, 113638), (301, 64936), (344, 56819), (602, 32468), (1204, 16234), (2408, 8117)]