19591866

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 50106420

約数和(自身を除く): 30514554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 147, 194, 229, 291, 294, 441, 458, 582, 679, 687, 873, 882, 1358, 1374, 1603, 1746, 2037, 2061, 3206, 4074, 4122, 4753, 4809, 6111, 9506, 9618, 11221, 12222, 14259, 14427, 22213, 22442, 28518, 28854, 33663, 42777, 44426, 66639, 67326, 85554, 100989, 133278, 155491, 199917, 201978, 310982, 399834, 466473, 932946, 1088437, 1399419, 2176874, 2798838, 3265311, 6530622, 9795933, 19591866]

約数ペア:

[(1, 19591866), (2, 9795933), (3, 6530622), (6, 3265311), (7, 2798838), (9, 2176874), (14, 1399419), (18, 1088437), (21, 932946), (42, 466473), (49, 399834), (63, 310982), (97, 201978), (98, 199917), (126, 155491), (147, 133278), (194, 100989), (229, 85554), (291, 67326), (294, 66639), (441, 44426), (458, 42777), (582, 33663), (679, 28854), (687, 28518), (873, 22442), (882, 22213), (1358, 14427), (1374, 14259), (1603, 12222), (1746, 11221), (2037, 9618), (2061, 9506), (3206, 6111), (4074, 4809), (4122, 4753)]