18221709584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2037311}}^1$

素因数の和:2037375

約数の個数: 40

約数和(自身を含む): 38904509952

約数和(自身を除く): 20682800368

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 2037311, 4074622, 8149244, 16298488, 26485043, 32596976, 52970086, 87604373, 105940172, 175208746, 211880344, 350417492, 423760688, 700834984, 1138856849, 1401669968, 2277713698, 4555427396, 9110854792, 18221709584]

約数ペア:

[(1, 18221709584), (2, 9110854792), (4, 4555427396), (8, 2277713698), (13, 1401669968), (16, 1138856849), (26, 700834984), (43, 423760688), (52, 350417492), (86, 211880344), (104, 175208746), (172, 105940172), (208, 87604373), (344, 52970086), (559, 32596976), (688, 26485043), (1118, 16298488), (2236, 8149244), (4472, 4074622), (8944, 2037311)]