18929396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13109}}^1$

素因数の和:13151

約数の個数: 18

約数和(自身を含む): 34964370

約数和(自身を除く): 16034974

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13109, 26218, 52436, 249071, 498142, 996284, 4732349, 9464698, 18929396]

約数ペア:

[(1, 18929396), (2, 9464698), (4, 4732349), (19, 996284), (38, 498142), (76, 249071), (361, 52436), (722, 26218), (1444, 13109)]