19994356

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 16633844

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2549, 3922, 5098, 7844, 10196, 94313, 135097, 188626, 270194, 377252, 540388, 4998589, 9997178, 19994356]

約数ペア:

[(1, 19994356), (2, 9997178), (4, 4998589), (37, 540388), (53, 377252), (74, 270194), (106, 188626), (148, 135097), (212, 94313), (1961, 10196), (2549, 7844), (3922, 5098)]