18418792

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7649}}^1$

素因数の和:7705

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 21973208

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7649, 15298, 30596, 53543, 61192, 107086, 214172, 328907, 428344, 657814, 1315628, 2302349, 2631256, 4604698, 9209396, 18418792]

約数ペア:

[(1, 18418792), (2, 9209396), (4, 4604698), (7, 2631256), (8, 2302349), (14, 1315628), (28, 657814), (43, 428344), (56, 328907), (86, 214172), (172, 107086), (301, 61192), (344, 53543), (602, 30596), (1204, 15298), (2408, 7649)]