19903624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 40624920

約数和(自身を除く): 20721296

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1973, 2522, 3946, 5044, 7892, 10088, 15784, 25649, 51298, 102596, 191381, 205192, 382762, 765524, 1531048, 2487953, 4975906, 9951812, 19903624]

約数ペア:

[(1, 19903624), (2, 9951812), (4, 4975906), (8, 2487953), (13, 1531048), (26, 765524), (52, 382762), (97, 205192), (104, 191381), (194, 102596), (388, 51298), (776, 25649), (1261, 15784), (1973, 10088), (2522, 7892), (3946, 5044)]