19944243

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 14650317

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 437, 461, 627, 759, 1311, 1383, 1881, 2277, 3933, 4149, 4807, 5071, 8759, 10603, 14421, 15213, 26277, 31809, 43263, 45639, 78831, 95427, 96349, 116633, 201457, 289047, 349899, 604371, 867141, 1049697, 1813113, 2216027, 6648081, 19944243]

約数ペア:

[(1, 19944243), (3, 6648081), (9, 2216027), (11, 1813113), (19, 1049697), (23, 867141), (33, 604371), (57, 349899), (69, 289047), (99, 201457), (171, 116633), (207, 96349), (209, 95427), (253, 78831), (437, 45639), (461, 43263), (627, 31809), (759, 26277), (1311, 15213), (1383, 14421), (1881, 10603), (2277, 8759), (3933, 5071), (4149, 4807)]