18261287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 2785753

約数列:

[1, 11, 23, 89, 253, 811, 979, 2047, 8921, 18653, 22517, 72179, 205183, 793969, 1660117, 18261287]

約数ペア:

[(1, 18261287), (11, 1660117), (23, 793969), (89, 205183), (253, 72179), (811, 22517), (979, 18653), (2047, 8921)]