19215812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23241148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 701, 979, 1246, 1402, 1958, 2492, 2804, 3916, 4907, 6853, 7711, 9814, 13706, 15422, 19628, 27412, 30844, 53977, 62389, 107954, 124778, 215908, 249556, 436723, 686279, 873446, 1372558, 1746892, 2745116, 4803953, 9607906, 19215812]

約数ペア:

[(1, 19215812), (2, 9607906), (4, 4803953), (7, 2745116), (11, 1746892), (14, 1372558), (22, 873446), (28, 686279), (44, 436723), (77, 249556), (89, 215908), (154, 124778), (178, 107954), (308, 62389), (356, 53977), (623, 30844), (701, 27412), (979, 19628), (1246, 15422), (1402, 13706), (1958, 9814), (2492, 7711), (2804, 6853), (3916, 4907)]