19540514

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 37194552

約数和(自身を除く): 17654038

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 119, 238, 259, 317, 518, 629, 634, 833, 1258, 1666, 1813, 2219, 3626, 4403, 4438, 5389, 8806, 10778, 11729, 15533, 23458, 30821, 31066, 37723, 61642, 75446, 82103, 164206, 199393, 264061, 398786, 528122, 574721, 1149442, 1395751, 2791502, 9770257, 19540514]

約数ペア:

[(1, 19540514), (2, 9770257), (7, 2791502), (14, 1395751), (17, 1149442), (34, 574721), (37, 528122), (49, 398786), (74, 264061), (98, 199393), (119, 164206), (238, 82103), (259, 75446), (317, 61642), (518, 37723), (629, 31066), (634, 30821), (833, 23458), (1258, 15533), (1666, 11729), (1813, 10778), (2219, 8806), (3626, 5389), (4403, 4438)]