20178690574

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1614037}}^1$

素因数の和:1614112

約数の個数: 32

約数和(自身を含む): 37187435520

約数和(自身を除く): 17008744946

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 6251, 12502, 1614037, 3228074, 11298259, 22596518, 30666703, 61333406, 75859739, 151719478, 214666921, 429333842, 531018173, 1062036346, 1441335041, 2882670082, 10089345287, 20178690574]

約数ペア:

[(1, 20178690574), (2, 10089345287), (7, 2882670082), (14, 1441335041), (19, 1062036346), (38, 531018173), (47, 429333842), (94, 214666921), (133, 151719478), (266, 75859739), (329, 61333406), (658, 30666703), (893, 22596518), (1786, 11298259), (6251, 3228074), (12502, 1614037)]