19535908

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 21792092

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 343, 406, 491, 686, 812, 982, 1372, 1421, 1964, 2842, 3437, 5684, 6874, 9947, 13748, 14239, 19894, 24059, 28478, 39788, 48118, 56956, 96236, 99673, 168413, 199346, 336826, 398692, 673652, 697711, 1395422, 2790844, 4883977, 9767954, 19535908]

約数ペア:

[(1, 19535908), (2, 9767954), (4, 4883977), (7, 2790844), (14, 1395422), (28, 697711), (29, 673652), (49, 398692), (58, 336826), (98, 199346), (116, 168413), (196, 99673), (203, 96236), (343, 56956), (406, 48118), (491, 39788), (686, 28478), (812, 24059), (982, 19894), (1372, 14239), (1421, 13748), (1964, 9947), (2842, 6874), (3437, 5684)]