18994678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1767

約数の個数: 16

約数和(自身を含む): 30262464

約数和(自身を除く): 11267786

約数列:

[1, 2, 17, 34, 421, 842, 1327, 2654, 7157, 14314, 22559, 45118, 558667, 1117334, 9497339, 18994678]

約数ペア:

[(1, 18994678), (2, 9497339), (17, 1117334), (34, 558667), (421, 45118), (842, 22559), (1327, 14314), (2654, 7157)]