19796537

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 2235463

約数列:

[1, 19, 23, 89, 437, 509, 1691, 2047, 9671, 11707, 38893, 45301, 222433, 860719, 1041923, 19796537]

約数ペア:

[(1, 19796537), (19, 1041923), (23, 860719), (89, 222433), (437, 45301), (509, 38893), (1691, 11707), (2047, 9671)]