19885986

素因数分解:

$2^1\times 3^4\times {\mathrm{122753}}^1$

素因数の和:122767

約数の個数: 20

約数和(自身を含む): 44559702

約数和(自身を除く): 24673716

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 122753, 245506, 368259, 736518, 1104777, 2209554, 3314331, 6628662, 9942993, 19885986]

約数ペア:

[(1, 19885986), (2, 9942993), (3, 6628662), (6, 3314331), (9, 2209554), (18, 1104777), (27, 736518), (54, 368259), (81, 245506), (162, 122753)]