19885726

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5659}}^1$

素因数の和:5919

約数の個数: 16

約数和(自身を含む): 34231680

約数和(自身を除く): 14345954

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5659, 11318, 39613, 79226, 1420409, 2840818, 9942863, 19885726]

約数ペア:

[(1, 19885726), (2, 9942863), (7, 2840818), (14, 1420409), (251, 79226), (502, 39613), (1757, 11318), (3514, 5659)]