19387803

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12263}}^1$

素因数の和:12314

約数の個数: 16

約数和(自身を含む): 28256256

約数和(自身を除く): 8868453

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12263, 36789, 208471, 380153, 625413, 1140459, 6462601, 19387803]

約数ペア:

[(1, 19387803), (3, 6462601), (17, 1140459), (31, 625413), (51, 380153), (93, 208471), (527, 36789), (1581, 12263)]