19989417

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1151}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 30523392

約数和(自身を除く): 10533975

約数列:

[1, 3, 7, 21, 827, 1151, 2481, 3453, 5789, 8057, 17367, 24171, 951877, 2855631, 6663139, 19989417]

約数ペア:

[(1, 19989417), (3, 6663139), (7, 2855631), (21, 951877), (827, 24171), (1151, 17367), (2481, 8057), (3453, 5789)]