18509458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{44281}}^1$

素因数の和:44313

約数の個数: 16

約数和(自身を含む): 31883040

約数和(自身を除く): 13373582

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 44281, 88562, 487091, 841339, 974182, 1682678, 9254729, 18509458]

約数ペア:

[(1, 18509458), (2, 9254729), (11, 1682678), (19, 974182), (22, 841339), (38, 487091), (209, 88562), (418, 44281)]