19890201

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 28365120

約数和(自身を除く): 8474919

約数列:

[1, 3, 29, 37, 87, 111, 167, 501, 1073, 1369, 3219, 4107, 4843, 6179, 14529, 18537, 39701, 119103, 179191, 228623, 537573, 685869, 6630067, 19890201]

約数ペア:

[(1, 19890201), (3, 6630067), (29, 685869), (37, 537573), (87, 228623), (111, 179191), (167, 119103), (501, 39701), (1073, 18537), (1369, 14529), (3219, 6179), (4107, 4843)]