19901754

素因数分解:

$2^1\times 3^3\times {\mathrm{368551}}^1$

素因数の和:368562

約数の個数: 16

約数和(自身を含む): 44226240

約数和(自身を除く): 24324486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 368551, 737102, 1105653, 2211306, 3316959, 6633918, 9950877, 19901754]

約数ペア:

[(1, 19901754), (2, 9950877), (3, 6633918), (6, 3316959), (9, 2211306), (18, 1105653), (27, 737102), (54, 368551)]