15660902

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 25146000

約数和(自身を除く): 9485098

約数列:

[1, 2, 19, 38, 109, 199, 218, 361, 398, 722, 2071, 3781, 4142, 7562, 21691, 39349, 43382, 71839, 78698, 143678, 412129, 824258, 7830451, 15660902]

約数ペア:

[(1, 15660902), (2, 7830451), (19, 824258), (38, 412129), (109, 143678), (199, 78698), (218, 71839), (361, 43382), (398, 39349), (722, 21691), (2071, 7562), (3781, 4142)]