19942748

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22151332

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 173, 179, 322, 346, 358, 644, 692, 716, 1211, 1253, 2422, 2506, 3979, 4117, 4844, 5012, 7958, 8234, 15916, 16468, 27853, 28819, 30967, 55706, 57638, 61934, 111412, 115276, 123868, 216769, 433538, 712241, 867076, 1424482, 2848964, 4985687, 9971374, 19942748]

約数ペア:

[(1, 19942748), (2, 9971374), (4, 4985687), (7, 2848964), (14, 1424482), (23, 867076), (28, 712241), (46, 433538), (92, 216769), (161, 123868), (173, 115276), (179, 111412), (322, 61934), (346, 57638), (358, 55706), (644, 30967), (692, 28819), (716, 27853), (1211, 16468), (1253, 15916), (2422, 8234), (2506, 7958), (3979, 5012), (4117, 4844)]