18515868543

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{36943}}^1$

素因数の和:37948

約数の個数: 32

約数和(自身を含む): 28904985600

約数和(自身を除く): 10389117057

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 977, 2931, 8793, 18563, 26379, 36943, 55689, 110829, 167067, 332487, 501201, 701917, 997461, 2105751, 6317253, 18951759, 36093311, 108279933, 324839799, 685772909, 974519397, 2057318727, 6171956181, 18515868543]

約数ペア:

[(1, 18515868543), (3, 6171956181), (9, 2057318727), (19, 974519397), (27, 685772909), (57, 324839799), (171, 108279933), (513, 36093311), (977, 18951759), (2931, 6317253), (8793, 2105751), (18563, 997461), (26379, 701917), (36943, 501201), (55689, 332487), (110829, 167067)]