19219545

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 17644455

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 95, 127, 135, 171, 177, 285, 295, 381, 513, 531, 635, 855, 885, 1121, 1143, 1593, 1905, 2413, 2565, 2655, 3363, 3429, 5605, 5715, 7239, 7493, 7965, 10089, 12065, 16815, 17145, 21717, 22479, 30267, 36195, 37465, 50445, 65151, 67437, 108585, 112395, 142367, 151335, 202311, 325755, 337185, 427101, 711835, 1011555, 1281303, 2135505, 3843909, 6406515, 19219545]

約数ペア:

[(1, 19219545), (3, 6406515), (5, 3843909), (9, 2135505), (15, 1281303), (19, 1011555), (27, 711835), (45, 427101), (57, 337185), (59, 325755), (95, 202311), (127, 151335), (135, 142367), (171, 112395), (177, 108585), (285, 67437), (295, 65151), (381, 50445), (513, 37465), (531, 36195), (635, 30267), (855, 22479), (885, 21717), (1121, 17145), (1143, 16815), (1593, 12065), (1905, 10089), (2413, 7965), (2565, 7493), (2655, 7239), (3363, 5715), (3429, 5605)]