18816112

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3965

約数の個数: 40

約数和(自身を含む): 42644096

約数和(自身を除く): 23827984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3907, 4816, 7814, 15628, 27349, 31256, 54698, 62512, 109396, 168001, 218792, 336002, 437584, 672004, 1176007, 1344008, 2352014, 2688016, 4704028, 9408056, 18816112]

約数ペア:

[(1, 18816112), (2, 9408056), (4, 4704028), (7, 2688016), (8, 2352014), (14, 1344008), (16, 1176007), (28, 672004), (43, 437584), (56, 336002), (86, 218792), (112, 168001), (172, 109396), (301, 62512), (344, 54698), (602, 31256), (688, 27349), (1204, 15628), (2408, 7814), (3907, 4816)]