18028435

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 24514560

約数和(自身を除く): 6486125

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 223, 437, 703, 851, 1115, 2185, 3515, 4237, 4255, 5129, 8251, 16169, 21185, 25645, 41255, 80845, 97451, 156769, 189773, 487255, 783845, 948865, 3605687, 18028435]

約数ペア:

[(1, 18028435), (5, 3605687), (19, 948865), (23, 783845), (37, 487255), (95, 189773), (115, 156769), (185, 97451), (223, 80845), (437, 41255), (703, 25645), (851, 21185), (1115, 16169), (2185, 8251), (3515, 5129), (4237, 4255)]