1880521616

素因数分解:

$2^4\times {\mathrm{10391}}^1\times {\mathrm{11311}}^1$

素因数の和:21710

約数の個数: 20

約数和(自身を含む): 3644183424

約数和(自身を除く): 1763661808

約数列:

[1, 2, 4, 8, 16, 10391, 11311, 20782, 22622, 41564, 45244, 83128, 90488, 166256, 180976, 117532601, 235065202, 470130404, 940260808, 1880521616]

約数ペア:

[(1, 1880521616), (2, 940260808), (4, 470130404), (8, 235065202), (16, 117532601), (10391, 180976), (11311, 166256), (20782, 90488), (22622, 83128), (41564, 45244)]