18990954

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{25733}}^1$

素因数の和:25782

約数の個数: 24

約数和(自身を含む): 42152292

約数和(自身を除く): 23161338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 25733, 51466, 77199, 154398, 231597, 463194, 1055053, 2110106, 3165159, 6330318, 9495477, 18990954]

約数ペア:

[(1, 18990954), (2, 9495477), (3, 6330318), (6, 3165159), (9, 2110106), (18, 1055053), (41, 463194), (82, 231597), (123, 154398), (246, 77199), (369, 51466), (738, 25733)]