19444315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8549285

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 809, 1045, 1265, 2185, 4045, 4807, 8899, 15371, 18607, 24035, 44495, 76855, 93035, 169081, 204677, 353533, 845405, 1023385, 1767665, 3888863, 19444315]

約数ペア:

[(1, 19444315), (5, 3888863), (11, 1767665), (19, 1023385), (23, 845405), (55, 353533), (95, 204677), (115, 169081), (209, 93035), (253, 76855), (437, 44495), (809, 24035), (1045, 18607), (1265, 15371), (2185, 8899), (4045, 4807)]