19948651779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9059}}^1\times {\mathrm{5519}}^1$

素因数の和:14607

約数の個数: 32

約数和(自身を含む): 32007168000

約数和(自身を除く): 12058516221

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5519, 9059, 16557, 27177, 38633, 63413, 104861, 115899, 172121, 190239, 314583, 516363, 734027, 1204847, 2202081, 3614541, 49996621, 149989863, 349976347, 949935799, 1049929041, 2849807397, 6649550593, 19948651779]

約数ペア:

[(1, 19948651779), (3, 6649550593), (7, 2849807397), (19, 1049929041), (21, 949935799), (57, 349976347), (133, 149989863), (399, 49996621), (5519, 3614541), (9059, 2202081), (16557, 1204847), (27177, 734027), (38633, 516363), (63413, 314583), (104861, 190239), (115899, 172121)]