20171318859

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2509807}}^1$

素因数の和:2509879

約数の個数: 24

約数和(自身を含む): 31322403840

約数和(自身を除く): 11151084981

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 2509807, 7529421, 22588263, 47686333, 117960929, 143058999, 353882787, 429176997, 1061648361, 2241257651, 6723772953, 20171318859]

約数ペア:

[(1, 20171318859), (3, 6723772953), (9, 2241257651), (19, 1061648361), (47, 429176997), (57, 353882787), (141, 143058999), (171, 117960929), (423, 47686333), (893, 22588263), (2679, 7529421), (8037, 2509807)]