19420868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 36401400

約数和(自身を除く): 16980532

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3209, 6052, 6418, 12836, 54553, 109106, 218212, 285601, 571202, 1142404, 4855217, 9710434, 19420868]

約数ペア:

[(1, 19420868), (2, 9710434), (4, 4855217), (17, 1142404), (34, 571202), (68, 285601), (89, 218212), (178, 109106), (356, 54553), (1513, 12836), (3026, 6418), (3209, 6052)]