18619642

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{653}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 28605960

約数和(自身を除く): 9986318

約数列:

[1, 2, 53, 106, 269, 538, 653, 1306, 14257, 28514, 34609, 69218, 175657, 351314, 9309821, 18619642]

約数ペア:

[(1, 18619642), (2, 9309821), (53, 351314), (106, 175657), (269, 69218), (538, 34609), (653, 28514), (1306, 14257)]