19637068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19481396

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 97, 107, 172, 194, 214, 388, 428, 473, 946, 1067, 1177, 1892, 2134, 2354, 4171, 4268, 4601, 4708, 8342, 9202, 10379, 16684, 18404, 20758, 41516, 45881, 50611, 91762, 101222, 114169, 183524, 202444, 228338, 446297, 456676, 892594, 1785188, 4909267, 9818534, 19637068]

約数ペア:

[(1, 19637068), (2, 9818534), (4, 4909267), (11, 1785188), (22, 892594), (43, 456676), (44, 446297), (86, 228338), (97, 202444), (107, 183524), (172, 114169), (194, 101222), (214, 91762), (388, 50611), (428, 45881), (473, 41516), (946, 20758), (1067, 18404), (1177, 16684), (1892, 10379), (2134, 9202), (2354, 8342), (4171, 4708), (4268, 4601)]