19385389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 21935232

約数和(自身を除く): 2549843

約数列:

[1, 17, 23, 43, 391, 731, 989, 1153, 16813, 19601, 26519, 49579, 450823, 842843, 1140317, 19385389]

約数ペア:

[(1, 19385389), (17, 1140317), (23, 842843), (43, 450823), (391, 49579), (731, 26519), (989, 19601), (1153, 16813)]