19468049409

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1861}}^1$

素因数の和:2068

約数の個数: 80

約数和(自身を含む): 31535070336

約数和(自身を除く): 12067020927

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 107, 153, 213, 321, 459, 639, 963, 1207, 1377, 1819, 1861, 1917, 2889, 3621, 5457, 5583, 5751, 7597, 8667, 10863, 16371, 16749, 22791, 31637, 32589, 49113, 50247, 68373, 94911, 97767, 129149, 132131, 147339, 150741, 199127, 205119, 284733, 387447, 396393, 597381, 615357, 854199, 1162341, 1189179, 1792143, 2246227, 2562597, 3385159, 3487023, 3567537, 5376429, 6738681, 10155477, 10461069, 10702611, 14138017, 16129287, 20216043, 30466431, 42414051, 60648129, 91399293, 127242153, 181944387, 240346289, 274197879, 381726459, 721038867, 1145179377, 2163116601, 6489349803, 19468049409]

約数ペア:

[(1, 19468049409), (3, 6489349803), (9, 2163116601), (17, 1145179377), (27, 721038867), (51, 381726459), (71, 274197879), (81, 240346289), (107, 181944387), (153, 127242153), (213, 91399293), (321, 60648129), (459, 42414051), (639, 30466431), (963, 20216043), (1207, 16129287), (1377, 14138017), (1819, 10702611), (1861, 10461069), (1917, 10155477), (2889, 6738681), (3621, 5376429), (5457, 3567537), (5583, 3487023), (5751, 3385159), (7597, 2562597), (8667, 2246227), (10863, 1792143), (16371, 1189179), (16749, 1162341), (22791, 854199), (31637, 615357), (32589, 597381), (49113, 396393), (50247, 387447), (68373, 284733), (94911, 205119), (97767, 199127), (129149, 150741), (132131, 147339)]