19565728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6719}}^1$

素因数の和:6749

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27850592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6719, 13438, 26876, 47033, 53752, 87347, 94066, 107504, 174694, 188132, 215008, 349388, 376264, 611429, 698776, 752528, 1222858, 1397552, 1505056, 2445716, 2795104, 4891432, 9782864, 19565728]

約数ペア:

[(1, 19565728), (2, 9782864), (4, 4891432), (7, 2795104), (8, 2445716), (13, 1505056), (14, 1397552), (16, 1222858), (26, 752528), (28, 698776), (32, 611429), (52, 376264), (56, 349388), (91, 215008), (104, 188132), (112, 174694), (182, 107504), (208, 94066), (224, 87347), (364, 53752), (416, 47033), (728, 26876), (1456, 13438), (2912, 6719)]