19890666

素因数分解:

$2^1\times 3^2\times {\mathrm{367}}^1\times {\mathrm{3011}}^1$

素因数の和:3386

約数の個数: 24

約数和(自身を含む): 43228224

約数和(自身を除く): 23337558

約数列:

[1, 2, 3, 6, 9, 18, 367, 734, 1101, 2202, 3011, 3303, 6022, 6606, 9033, 18066, 27099, 54198, 1105037, 2210074, 3315111, 6630222, 9945333, 19890666]

約数ペア:

[(1, 19890666), (2, 9945333), (3, 6630222), (6, 3315111), (9, 2210074), (18, 1105037), (367, 54198), (734, 27099), (1101, 18066), (2202, 9033), (3011, 6606), (3303, 6022)]