19649828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5653}}^1$

素因数の和:5747

約数の個数: 24

約数和(自身を含む): 37994880

約数和(自身を除く): 18345052

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5653, 11306, 22612, 62183, 124366, 248732, 446587, 893174, 1786348, 4912457, 9824914, 19649828]

約数ペア:

[(1, 19649828), (2, 9824914), (4, 4912457), (11, 1786348), (22, 893174), (44, 446587), (79, 248732), (158, 124366), (316, 62183), (869, 22612), (1738, 11306), (3476, 5653)]