20181908716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1\times {\mathrm{3229}}^1$

素因数の和:4954

約数の個数: 48

約数和(自身を含む): 37787279040

約数和(自身を除く): 17605370324

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1657, 1886, 3229, 3314, 3772, 6458, 6628, 12916, 38111, 67937, 74267, 76222, 132389, 135874, 148534, 152444, 264778, 271748, 297068, 529556, 1562551, 3044947, 3125102, 5350453, 6089894, 6250204, 10700906, 12179788, 21401812, 123060419, 219368573, 246120838, 438737146, 492241676, 877474292, 5045477179, 10090954358, 20181908716]

約数ペア:

[(1, 20181908716), (2, 10090954358), (4, 5045477179), (23, 877474292), (41, 492241676), (46, 438737146), (82, 246120838), (92, 219368573), (164, 123060419), (943, 21401812), (1657, 12179788), (1886, 10700906), (3229, 6250204), (3314, 6089894), (3772, 5350453), (6458, 3125102), (6628, 3044947), (12916, 1562551), (38111, 529556), (67937, 297068), (74267, 271748), (76222, 264778), (132389, 152444), (135874, 148534)]