18358795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 27393408

約数和(自身を除く): 9034613

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 257, 455, 785, 1099, 1285, 1799, 2041, 3341, 5495, 8995, 10205, 14287, 16705, 23387, 40349, 71435, 116935, 201745, 282443, 524537, 1412215, 2622685, 3671759, 18358795]

約数ペア:

[(1, 18358795), (5, 3671759), (7, 2622685), (13, 1412215), (35, 524537), (65, 282443), (91, 201745), (157, 116935), (257, 71435), (455, 40349), (785, 23387), (1099, 16705), (1285, 14287), (1799, 10205), (2041, 8995), (3341, 5495)]