18965732

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 34115256

約数和(自身を除く): 15149524

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 653, 1306, 2612, 7261, 14522, 29044, 34609, 69218, 89461, 138436, 178922, 357844, 4741433, 9482866, 18965732]

約数ペア:

[(1, 18965732), (2, 9482866), (4, 4741433), (53, 357844), (106, 178922), (137, 138436), (212, 89461), (274, 69218), (548, 34609), (653, 29044), (1306, 14522), (2612, 7261)]