18011921

素因数分解:

${\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 12

約数和(自身を含む): 19111680

約数和(自身を除く): 1099759

約数列:

[1, 23, 79, 431, 529, 1817, 9913, 34049, 41791, 227999, 783127, 18011921]

約数ペア:

[(1, 18011921), (23, 783127), (79, 227999), (431, 41791), (529, 34049), (1817, 9913)]