19971753

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4957}}^1$

素因数の和:5056

約数の個数: 16

約数和(自身を含む): 28558080

約数和(自身を除く): 8586327

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 4957, 14871, 84269, 252807, 391603, 1174809, 6657251, 19971753]

約数ペア:

[(1, 19971753), (3, 6657251), (17, 1174809), (51, 391603), (79, 252807), (237, 84269), (1343, 14871), (4029, 4957)]