18219754

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41981}}^1$

素因数の和:42021

約数の個数: 16

約数和(自身を含む): 32242176

約数和(自身を除く): 14022422

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 41981, 83962, 293867, 587734, 1301411, 2602822, 9109877, 18219754]

約数ペア:

[(1, 18219754), (2, 9109877), (7, 2602822), (14, 1301411), (31, 587734), (62, 293867), (217, 83962), (434, 41981)]