19800339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11807}}^1$

素因数の和:11866

約数の個数: 16

約数和(自身を含む): 29094912

約数和(自身を除く): 9294573

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11807, 35421, 153491, 460473, 507701, 1523103, 6600113, 19800339]

約数ペア:

[(1, 19800339), (3, 6600113), (13, 1523103), (39, 507701), (43, 460473), (129, 153491), (559, 35421), (1677, 11807)]