18975682

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1871}}^1$

素因数の和:2345

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 12159422

約数列:

[1, 2, 11, 22, 461, 922, 1871, 3742, 5071, 10142, 20581, 41162, 862531, 1725062, 9487841, 18975682]

約数ペア:

[(1, 18975682), (2, 9487841), (11, 1725062), (22, 862531), (461, 41162), (922, 20581), (1871, 10142), (3742, 5071)]