19841877

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 13105323

約数列:

[1, 3, 9, 11, 33, 43, 59, 79, 99, 129, 177, 237, 387, 473, 531, 649, 711, 869, 1419, 1947, 2537, 2607, 3397, 4257, 4661, 5841, 7611, 7821, 10191, 13983, 22833, 27907, 30573, 37367, 41949, 51271, 83721, 112101, 153813, 200423, 251163, 336303, 461439, 601269, 1803807, 2204653, 6613959, 19841877]

約数ペア:

[(1, 19841877), (3, 6613959), (9, 2204653), (11, 1803807), (33, 601269), (43, 461439), (59, 336303), (79, 251163), (99, 200423), (129, 153813), (177, 112101), (237, 83721), (387, 51271), (473, 41949), (531, 37367), (649, 30573), (711, 27907), (869, 22833), (1419, 13983), (1947, 10191), (2537, 7821), (2607, 7611), (3397, 5841), (4257, 4661)]