19944485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 28086912

約数和(自身を除く): 8142427

約数列:

[1, 5, 11, 17, 55, 83, 85, 187, 257, 415, 913, 935, 1285, 1411, 2827, 4369, 4565, 7055, 14135, 15521, 21331, 21845, 48059, 77605, 106655, 234641, 240295, 362627, 1173205, 1813135, 3988897, 19944485]

約数ペア:

[(1, 19944485), (5, 3988897), (11, 1813135), (17, 1173205), (55, 362627), (83, 240295), (85, 234641), (187, 106655), (257, 77605), (415, 48059), (913, 21845), (935, 21331), (1285, 15521), (1411, 14135), (2827, 7055), (4369, 4565)]