18989674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37529}}^1$

素因数の和:37565

約数の個数: 16

約数和(自身を含む): 32425920

約数和(自身を除く): 13436246

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37529, 75058, 412819, 825638, 863167, 1726334, 9494837, 18989674]

約数ペア:

[(1, 18989674), (2, 9494837), (11, 1726334), (22, 863167), (23, 825638), (46, 412819), (253, 75058), (506, 37529)]