19721661204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{613007}}^1$

素因数の和:613404

約数の個数: 48

約数和(自身を含む): 52728496128

約数和(自身を除く): 33006834924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 383, 766, 1149, 1532, 2298, 2681, 4596, 5362, 8043, 10724, 16086, 32172, 613007, 1226014, 1839021, 2452028, 3678042, 4291049, 7356084, 8582098, 12873147, 17164196, 25746294, 51492588, 234781681, 469563362, 704345043, 939126724, 1408690086, 1643471767, 2817380172, 3286943534, 4930415301, 6573887068, 9860830602, 19721661204]

約数ペア:

[(1, 19721661204), (2, 9860830602), (3, 6573887068), (4, 4930415301), (6, 3286943534), (7, 2817380172), (12, 1643471767), (14, 1408690086), (21, 939126724), (28, 704345043), (42, 469563362), (84, 234781681), (383, 51492588), (766, 25746294), (1149, 17164196), (1532, 12873147), (2298, 8582098), (2681, 7356084), (4596, 4291049), (5362, 3678042), (8043, 2452028), (10724, 1839021), (16086, 1226014), (32172, 613007)]