17972537

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 20848320

約数和(自身を除く): 2875783

約数列:

[1, 11, 19, 113, 209, 761, 1243, 2147, 8371, 14459, 23617, 85993, 159049, 945923, 1633867, 17972537]

約数ペア:

[(1, 17972537), (11, 1633867), (19, 945923), (113, 159049), (209, 85993), (761, 23617), (1243, 14459), (2147, 8371)]