18210181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 20901888

約数和(自身を除く): 2691707

約数列:

[1, 11, 23, 167, 253, 431, 1837, 3841, 4741, 9913, 42251, 71977, 109043, 791747, 1655471, 18210181]

約数ペア:

[(1, 18210181), (11, 1655471), (23, 791747), (167, 109043), (253, 71977), (431, 42251), (1837, 9913), (3841, 4741)]