19715157

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 38332800

約数和(自身を除く): 18617643

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 81, 87, 99, 109, 189, 203, 231, 261, 297, 319, 327, 567, 609, 693, 763, 783, 891, 957, 981, 1199, 1827, 2079, 2233, 2289, 2349, 2871, 2943, 3161, 3597, 5481, 6237, 6699, 6867, 8393, 8613, 8829, 9483, 10791, 16443, 20097, 20601, 22127, 25179, 25839, 28449, 32373, 34771, 60291, 61803, 66381, 75537, 85347, 97119, 104313, 180873, 199143, 226611, 243397, 256041, 312939, 597429, 679833, 730191, 938817, 1792287, 2190573, 2816451, 6571719, 19715157]

約数ペア:

[(1, 19715157), (3, 6571719), (7, 2816451), (9, 2190573), (11, 1792287), (21, 938817), (27, 730191), (29, 679833), (33, 597429), (63, 312939), (77, 256041), (81, 243397), (87, 226611), (99, 199143), (109, 180873), (189, 104313), (203, 97119), (231, 85347), (261, 75537), (297, 66381), (319, 61803), (327, 60291), (567, 34771), (609, 32373), (693, 28449), (763, 25839), (783, 25179), (891, 22127), (957, 20601), (981, 20097), (1199, 16443), (1827, 10791), (2079, 9483), (2233, 8829), (2289, 8613), (2349, 8393), (2871, 6867), (2943, 6699), (3161, 6237), (3597, 5481)]