19904052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1123}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 53376512

約数和(自身を除く): 33472460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1123, 1266, 1477, 2246, 2532, 2954, 3369, 4431, 4492, 5908, 6738, 7861, 8862, 13476, 15722, 17724, 23583, 31444, 47166, 94332, 236953, 473906, 710859, 947812, 1421718, 1658671, 2843436, 3317342, 4976013, 6634684, 9952026, 19904052]

約数ペア:

[(1, 19904052), (2, 9952026), (3, 6634684), (4, 4976013), (6, 3317342), (7, 2843436), (12, 1658671), (14, 1421718), (21, 947812), (28, 710859), (42, 473906), (84, 236953), (211, 94332), (422, 47166), (633, 31444), (844, 23583), (1123, 17724), (1266, 15722), (1477, 13476), (2246, 8862), (2532, 7861), (2954, 6738), (3369, 5908), (4431, 4492)]