18890575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 25931376

約数和(自身を除く): 7040801

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 941, 1825, 4015, 4705, 10351, 20075, 23525, 51755, 68693, 258775, 343465, 755623, 1717325, 3778115, 18890575]

約数ペア:

[(1, 18890575), (5, 3778115), (11, 1717325), (25, 755623), (55, 343465), (73, 258775), (275, 68693), (365, 51755), (803, 23525), (941, 20075), (1825, 10351), (4015, 4705)]