18933508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 38537856

約数和(自身を除く): 19604348

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 53, 92, 106, 212, 253, 353, 506, 583, 706, 1012, 1166, 1219, 1412, 2332, 2438, 3883, 4876, 7766, 8119, 13409, 15532, 16238, 18709, 26818, 32476, 37418, 53636, 74836, 89309, 178618, 205799, 357236, 411598, 430307, 823196, 860614, 1721228, 4733377, 9466754, 18933508]

約数ペア:

[(1, 18933508), (2, 9466754), (4, 4733377), (11, 1721228), (22, 860614), (23, 823196), (44, 430307), (46, 411598), (53, 357236), (92, 205799), (106, 178618), (212, 89309), (253, 74836), (353, 53636), (506, 37418), (583, 32476), (706, 26818), (1012, 18709), (1166, 16238), (1219, 15532), (1412, 13409), (2332, 8119), (2438, 7766), (3883, 4876)]