180821812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{20029}}^1$

素因数の和:20131

約数の個数: 24

約数和(自身を含む): 330334760

約数和(自身を除く): 149512948

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 4514, 9028, 20029, 40058, 80116, 741073, 1221769, 1482146, 2443538, 2964292, 4887076, 45205453, 90410906, 180821812]

約数ペア:

[(1, 180821812), (2, 90410906), (4, 45205453), (37, 4887076), (61, 2964292), (74, 2443538), (122, 1482146), (148, 1221769), (244, 741073), (2257, 80116), (4514, 40058), (9028, 20029)]