18350865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 36541440

約数和(自身を除く): 18190575

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 127, 169, 171, 195, 247, 285, 381, 507, 585, 635, 741, 845, 855, 1143, 1235, 1521, 1651, 1905, 2223, 2413, 2535, 3211, 3705, 4953, 5715, 7239, 7605, 8255, 9633, 11115, 12065, 14859, 16055, 21463, 21717, 24765, 28899, 31369, 36195, 48165, 64389, 74295, 94107, 107315, 108585, 144495, 156845, 193167, 282321, 321945, 407797, 470535, 965835, 1223391, 1411605, 2038985, 3670173, 6116955, 18350865]

約数ペア:

[(1, 18350865), (3, 6116955), (5, 3670173), (9, 2038985), (13, 1411605), (15, 1223391), (19, 965835), (39, 470535), (45, 407797), (57, 321945), (65, 282321), (95, 193167), (117, 156845), (127, 144495), (169, 108585), (171, 107315), (195, 94107), (247, 74295), (285, 64389), (381, 48165), (507, 36195), (585, 31369), (635, 28899), (741, 24765), (845, 21717), (855, 21463), (1143, 16055), (1235, 14859), (1521, 12065), (1651, 11115), (1905, 9633), (2223, 8255), (2413, 7605), (2535, 7239), (3211, 5715), (3705, 4953)]