19201211

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 21018528

約数和(自身を除く): 1817317

約数列:

[1, 17, 53, 101, 211, 901, 1717, 3587, 5353, 11183, 21311, 91001, 190111, 362287, 1129483, 19201211]

約数ペア:

[(1, 19201211), (17, 1129483), (53, 362287), (101, 190111), (211, 91001), (901, 21311), (1717, 11183), (3587, 5353)]