18792081

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 36799488

約数和(自身を除く): 18007407

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 131, 161, 189, 207, 231, 253, 297, 393, 483, 567, 621, 693, 759, 891, 917, 1179, 1441, 1449, 1771, 1863, 2079, 2277, 2751, 3013, 3537, 4323, 4347, 5313, 6237, 6831, 8253, 9039, 10087, 10611, 12969, 13041, 15939, 20493, 21091, 24759, 27117, 30261, 33143, 38907, 47817, 63273, 74277, 81351, 90783, 99429, 116721, 143451, 189819, 232001, 244053, 272349, 298287, 569457, 696003, 817047, 894861, 1708371, 2088009, 2684583, 6264027, 18792081]

約数ペア:

[(1, 18792081), (3, 6264027), (7, 2684583), (9, 2088009), (11, 1708371), (21, 894861), (23, 817047), (27, 696003), (33, 569457), (63, 298287), (69, 272349), (77, 244053), (81, 232001), (99, 189819), (131, 143451), (161, 116721), (189, 99429), (207, 90783), (231, 81351), (253, 74277), (297, 63273), (393, 47817), (483, 38907), (567, 33143), (621, 30261), (693, 27117), (759, 24759), (891, 21091), (917, 20493), (1179, 15939), (1441, 13041), (1449, 12969), (1771, 10611), (1863, 10087), (2079, 9039), (2277, 8253), (2751, 6831), (3013, 6237), (3537, 5313), (4323, 4347)]