18901764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 55194048

約数和(自身を除く): 36292284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 701, 749, 963, 1284, 1402, 1498, 1926, 2103, 2247, 2804, 2996, 3852, 4206, 4494, 4907, 6309, 6741, 8412, 8988, 9814, 12618, 13482, 14721, 19628, 25236, 26964, 29442, 44163, 58884, 75007, 88326, 150014, 176652, 225021, 300028, 450042, 525049, 675063, 900084, 1050098, 1350126, 1575147, 2100196, 2700252, 3150294, 4725441, 6300588, 9450882, 18901764]

約数ペア:

[(1, 18901764), (2, 9450882), (3, 6300588), (4, 4725441), (6, 3150294), (7, 2700252), (9, 2100196), (12, 1575147), (14, 1350126), (18, 1050098), (21, 900084), (28, 675063), (36, 525049), (42, 450042), (63, 300028), (84, 225021), (107, 176652), (126, 150014), (214, 88326), (252, 75007), (321, 58884), (428, 44163), (642, 29442), (701, 26964), (749, 25236), (963, 19628), (1284, 14721), (1402, 13482), (1498, 12618), (1926, 9814), (2103, 8988), (2247, 8412), (2804, 6741), (2996, 6309), (3852, 4907), (4206, 4494)]