19087090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 40590720

約数和(自身を除く): 21503630

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 173, 187, 295, 346, 374, 590, 649, 865, 935, 1003, 1298, 1730, 1870, 1903, 2006, 2941, 3245, 3806, 5015, 5882, 6490, 9515, 10030, 10207, 11033, 14705, 19030, 20414, 22066, 29410, 32351, 51035, 55165, 64702, 102070, 110330, 112277, 161755, 173519, 224554, 323510, 347038, 561385, 867595, 1122770, 1735190, 1908709, 3817418, 9543545, 19087090]

約数ペア:

[(1, 19087090), (2, 9543545), (5, 3817418), (10, 1908709), (11, 1735190), (17, 1122770), (22, 867595), (34, 561385), (55, 347038), (59, 323510), (85, 224554), (110, 173519), (118, 161755), (170, 112277), (173, 110330), (187, 102070), (295, 64702), (346, 55165), (374, 51035), (590, 32351), (649, 29410), (865, 22066), (935, 20414), (1003, 19030), (1298, 14705), (1730, 11033), (1870, 10207), (1903, 10030), (2006, 9515), (2941, 6490), (3245, 5882), (3806, 5015)]