18873555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 13612845

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1409, 2679, 4227, 4465, 7045, 13395, 21135, 26771, 66223, 80313, 133855, 198669, 331115, 401565, 993345, 1258237, 3774711, 6291185, 18873555]

約数ペア:

[(1, 18873555), (3, 6291185), (5, 3774711), (15, 1258237), (19, 993345), (47, 401565), (57, 331115), (95, 198669), (141, 133855), (235, 80313), (285, 66223), (705, 26771), (893, 21135), (1409, 13395), (2679, 7045), (4227, 4465)]