19951624

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 47664000

約数和(自身を除く): 27712376

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 661, 686, 1078, 1322, 1372, 2156, 2644, 2744, 3773, 4312, 4627, 5288, 7271, 7546, 9254, 14542, 15092, 18508, 29084, 30184, 32389, 37016, 50897, 58168, 64778, 101794, 129556, 203588, 226723, 259112, 356279, 407176, 453446, 712558, 906892, 1425116, 1813784, 2493953, 2850232, 4987906, 9975812, 19951624]

約数ペア:

[(1, 19951624), (2, 9975812), (4, 4987906), (7, 2850232), (8, 2493953), (11, 1813784), (14, 1425116), (22, 906892), (28, 712558), (44, 453446), (49, 407176), (56, 356279), (77, 259112), (88, 226723), (98, 203588), (154, 129556), (196, 101794), (308, 64778), (343, 58168), (392, 50897), (539, 37016), (616, 32389), (661, 30184), (686, 29084), (1078, 18508), (1322, 15092), (1372, 14542), (2156, 9254), (2644, 7546), (2744, 7271), (3773, 5288), (4312, 4627)]