19801026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5419}}^1$

素因数の和:5463

約数の個数: 48

約数和(自身を含む): 50731200

約数和(自身を除く): 30930174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5419, 10838, 16257, 32514, 37933, 48771, 75866, 97542, 113799, 157151, 227598, 314302, 341397, 471453, 682794, 942906, 1100057, 1414359, 2200114, 2828718, 3300171, 6600342, 9900513, 19801026]

約数ペア:

[(1, 19801026), (2, 9900513), (3, 6600342), (6, 3300171), (7, 2828718), (9, 2200114), (14, 1414359), (18, 1100057), (21, 942906), (29, 682794), (42, 471453), (58, 341397), (63, 314302), (87, 227598), (126, 157151), (174, 113799), (203, 97542), (261, 75866), (406, 48771), (522, 37933), (609, 32514), (1218, 16257), (1827, 10838), (3654, 5419)]