19528047

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 37914624

約数和(自身を除く): 18386577

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 81, 93, 99, 101, 189, 217, 231, 279, 297, 303, 341, 567, 651, 693, 707, 837, 891, 909, 1023, 1111, 1953, 2079, 2121, 2387, 2511, 2727, 3069, 3131, 3333, 5859, 6237, 6363, 7161, 7777, 8181, 9207, 9393, 9999, 17577, 19089, 21483, 21917, 23331, 27621, 28179, 29997, 34441, 57267, 64449, 65751, 69993, 84537, 89991, 103323, 193347, 197253, 209979, 241087, 253611, 309969, 591759, 629937, 723261, 929907, 1775277, 2169783, 2789721, 6509349, 19528047]

約数ペア:

[(1, 19528047), (3, 6509349), (7, 2789721), (9, 2169783), (11, 1775277), (21, 929907), (27, 723261), (31, 629937), (33, 591759), (63, 309969), (77, 253611), (81, 241087), (93, 209979), (99, 197253), (101, 193347), (189, 103323), (217, 89991), (231, 84537), (279, 69993), (297, 65751), (303, 64449), (341, 57267), (567, 34441), (651, 29997), (693, 28179), (707, 27621), (837, 23331), (891, 21917), (909, 21483), (1023, 19089), (1111, 17577), (1953, 9999), (2079, 9393), (2121, 9207), (2387, 8181), (2511, 7777), (2727, 7161), (3069, 6363), (3131, 6237), (3333, 5859)]