19735672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1637}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 40687920

約数和(自身を除く): 20952248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1637, 3014, 3274, 6028, 6548, 12056, 13096, 18007, 36014, 72028, 144056, 224269, 448538, 897076, 1794152, 2466959, 4933918, 9867836, 19735672]

約数ペア:

[(1, 19735672), (2, 9867836), (4, 4933918), (8, 2466959), (11, 1794152), (22, 897076), (44, 448538), (88, 224269), (137, 144056), (274, 72028), (548, 36014), (1096, 18007), (1507, 13096), (1637, 12056), (3014, 6548), (3274, 6028)]