19947244

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2819}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 36716400

約数和(自身を除く): 16769156

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 2819, 3538, 5638, 7076, 11276, 81751, 163502, 171959, 327004, 343918, 687836, 4986811, 9973622, 19947244]

約数ペア:

[(1, 19947244), (2, 9973622), (4, 4986811), (29, 687836), (58, 343918), (61, 327004), (116, 171959), (122, 163502), (244, 81751), (1769, 11276), (2819, 7076), (3538, 5638)]