19650978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27005022

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 107, 114, 171, 179, 214, 321, 342, 358, 513, 537, 642, 963, 1026, 1074, 1611, 1926, 2033, 2889, 3222, 3401, 4066, 4833, 5778, 6099, 6802, 9666, 10203, 12198, 18297, 19153, 20406, 30609, 36594, 38306, 54891, 57459, 61218, 91827, 109782, 114918, 172377, 183654, 344754, 363907, 517131, 727814, 1034262, 1091721, 2183442, 3275163, 6550326, 9825489, 19650978]

約数ペア:

[(1, 19650978), (2, 9825489), (3, 6550326), (6, 3275163), (9, 2183442), (18, 1091721), (19, 1034262), (27, 727814), (38, 517131), (54, 363907), (57, 344754), (107, 183654), (114, 172377), (171, 114918), (179, 109782), (214, 91827), (321, 61218), (342, 57459), (358, 54891), (513, 38306), (537, 36594), (642, 30609), (963, 20406), (1026, 19153), (1074, 18297), (1611, 12198), (1926, 10203), (2033, 9666), (2889, 6802), (3222, 6099), (3401, 5778), (4066, 4833)]