19005275536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2124919}}^1$

素因数の和:2124983

約数の個数: 40

約数和(自身を含む): 40577472320

約数和(自身を除く): 21572196784

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 2124919, 4249838, 8499676, 16999352, 27623947, 33998704, 55247894, 91371517, 110495788, 182743034, 220991576, 365486068, 441983152, 730972136, 1187829721, 1461944272, 2375659442, 4751318884, 9502637768, 19005275536]

約数ペア:

[(1, 19005275536), (2, 9502637768), (4, 4751318884), (8, 2375659442), (13, 1461944272), (16, 1187829721), (26, 730972136), (43, 441983152), (52, 365486068), (86, 220991576), (104, 182743034), (172, 110495788), (208, 91371517), (344, 55247894), (559, 33998704), (688, 27623947), (1118, 16999352), (2236, 8499676), (4472, 4249838), (8944, 2124919)]