18948754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{1319}}^1$

素因数の和:1985

約数の個数: 16

約数和(自身を含む): 31078080

約数和(自身を除く): 12129326

約数列:

[1, 2, 11, 22, 653, 1306, 1319, 2638, 7183, 14366, 14509, 29018, 861307, 1722614, 9474377, 18948754]

約数ペア:

[(1, 18948754), (2, 9474377), (11, 1722614), (22, 861307), (653, 29018), (1306, 14509), (1319, 14366), (2638, 7183)]