18769905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5417}}^1$

素因数の和:5446

約数の個数: 48

約数和(自身を含む): 40569984

約数和(自身を除く): 21800079

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5417, 16251, 27085, 37919, 48753, 59587, 81255, 113757, 178761, 189595, 243765, 297935, 341271, 417109, 536283, 568785, 893805, 1251327, 1706355, 2085545, 2681415, 3753981, 6256635, 18769905]

約数ペア:

[(1, 18769905), (3, 6256635), (5, 3753981), (7, 2681415), (9, 2085545), (11, 1706355), (15, 1251327), (21, 893805), (33, 568785), (35, 536283), (45, 417109), (55, 341271), (63, 297935), (77, 243765), (99, 189595), (105, 178761), (165, 113757), (231, 81255), (315, 59587), (385, 48753), (495, 37919), (693, 27085), (1155, 16251), (3465, 5417)]