18894417

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 26661120

約数和(自身を除く): 7766703

約数列:

[1, 3, 19, 57, 211, 633, 1571, 4009, 4713, 12027, 29849, 89547, 331481, 994443, 6298139, 18894417]

約数ペア:

[(1, 18894417), (3, 6298139), (19, 994443), (57, 331481), (211, 89547), (633, 29849), (1571, 12027), (4009, 4713)]